Best Time to Visit Arenal Volcano Costa Rica: Month-by-Month Guide 2026-2027

Last updated: February 16, 2026

TL;DR

The best time to visit Arenal Volcano is January through April during dry season when you get clearest volcano views, minimal rain, and optimal conditions for hiking, zip-lining, and outdoor activities, though you’ll pay 20-30% more and encounter larger crowds. Green season May through November brings 30-40% lower prices, lush landscapes, and fewer tourists but expect daily afternoon rain and clouds obscuring volcano views. February and March offer the absolute best weather with sunny days and clear mornings. Budget travelers should visit September-October for lowest prices despite heavy rain. Wildlife viewing peaks March-May and September-November when animals are most active. Book 3-4 weeks ahead for dry season December-April, just 1-2 weeks for green season. Avoid late October through mid-November when heavy rains close some trails and make activities miserable.

When Is the Best Overall Time to Visit Arenal Volcano Costa Rica?

Arenal volcano panorama photo

January through April dry season delivers the best overall conditions with minimal rain, clearest volcano views, and ideal weather for all outdoor activities, making this the peak tourist season despite 20-30% higher prices.

February and early March specifically offer the sweet spot with consistently sunny weather, dry trails, clear morning volcano views, and comfortable temperatures in the 75-85°F range. You’ll pay premium prices but get near-guaranteed good conditions for your activities and photography.

The trade-off during dry season is significantly larger crowds at popular attractions like La Fortuna Waterfall, hanging bridges, and hot springs, particularly during Christmas week, New Year’s, and Easter when both international tourists and Costa Rican families vacation simultaneously.

Green season from May through November should be considered if you prioritize budget savings, don’t mind afternoon rain showers, want to avoid crowds, and appreciate the incredibly lush rainforest landscapes that come with regular precipitation. Tours and hotels cost 30-40% less than high season while delivering the same activities and experiences.

The reality is there’s no universally “best” time since it depends on whether you prioritize weather, budget, crowds, or specific activities. Understanding the patterns for each month lets you choose based on your personal priorities.

I’ve guided visitors during both seasons for over a decade, and while dry season weather is objectively better, some of my favorite tours happened during green season when we had entire trails to ourselves and witnessed dramatic afternoon thunderstorms over the volcano that you’d never see in February.

Table: Dry Season vs Green Season Quick Comparison

Factor Dry Season (Jan-Apr) Green Season (May-Nov) Winner
Rainfall Minimal, 2-5 rainy days/month Heavy, 15-25 rainy days/month Dry Season
Volcano Visibility Excellent, 70-80% clear mornings Poor, 30-50% clear mornings Dry Season
Prices (Tours/Hotels) High, premium rates 30-40% lower Green Season
Crowds Heavy, book 3-4 weeks ahead Light, book 1-2 weeks ahead Green Season
Landscape Drier, brown in places Lush, vibrant green Green Season
Wildlife Activity Moderate High (breeding season) Green Season
Trail Conditions Excellent, dry and firm Muddy, slippery Dry Season
Best Activities Everything runs smoothly Some closures in heavy rain Dry Season
Photography Clear skies, harsh midday sun Dramatic clouds, softer light Tie
Overall Comfort Hot but dry Humid with rain Dry Season

Dry season wins for weather reliability and activity conditions while green season delivers better prices, fewer crowds, and more vibrant landscapes.

What Is the Weather Like Month-by-Month at Arenal Volcano?

  • January brings excellent dry season conditions with minimal rain, clear morning volcano views, and comfortable temperatures though it’s one of the busiest months with New Year’s tourists extending their stays.
  • February offers the absolute best weather of the year with consistently sunny days, lowest rainfall, and prime conditions for all activities making it peak season with highest prices and largest crowds requiring 4-week advance bookings.
  • March continues superb dry season weather though temperatures start climbing into the upper 80s and humidity increases slightly as the season transitions, while March is popular for spring break creating another crowd surge.
  • April marks the dry season’s end with increasing heat reaching 90°F, higher humidity, and occasional afternoon showers beginning, though early April still offers good conditions before the green season transition.
  • May transitions into green season with afternoon rains becoming regular, morning clouds more frequent, and noticeably fewer tourists, while prices drop 20-25% and the landscape transforms from brown to vibrant green within weeks.
  • June and July surprise many visitors with the “veranillo” or little summer, a brief dry spell within green season offering better weather than surrounding months with less rain and occasional stretches of 3-4 sunny days making this an underrated budget-friendly window.
  • August returns to typical green season patterns with daily afternoon rain, morning clouds, and humid conditions, though crowds remain low and prices stay at green season discounts making it good value if you accept the weather trade-offs.
  • September hits peak green season with heavy afternoon downpours, frequent morning clouds obscuring the volcano, and the lowest tourist numbers of the year creating empty trails and rock-bottom prices for those willing to embrace the rain.
  • October ranks as the wettest month with torrential afternoon rains that sometimes last into evening, worst volcano visibility all year, and potential trail closures though prices hit annual lows at 40% below dry season rates.
  • November stays very wet especially early month with conditions similar to October before gradually improving late November as the transition to dry season begins, making late November a decent shoulder season option.
  • December transitions back to dry season with improving weather, decreasing rain, and better volcano visibility, though Christmas week brings massive crowds and prices spike to annual highs making early December better value than late month.

Table: Month-by-Month Detailed Weather and Conditions

Month Season Avg High/Low (°F) Rain Days Volcano Visibility Crowd Level Price Level Best For
January Dry 84/66 3-5 Excellent (75-80%) Very High Very High Guaranteed good weather
February Dry 86/66 2-4 Excellent (80-85%) Very High Highest Best overall conditions
March Dry 88/67 4-7 Very Good (70-75%) Very High Very High Great weather, spring break
April Dry/Trans 89/68 8-12 Good (60-70%) High High Last of dry season
May Green 87/68 15-18 Fair (45-55%) Medium Medium Transition, prices drop
June Green 86/68 12-16 Good (50-60%) Low Medium Veranillo dry spell
July Green 85/67 14-18 Fair-Good (50-60%) Low-Med Medium Veranillo continues
August Green 85/67 16-20 Fair (40-50%) Low Medium-Low True green season
September Green 85/67 20-24 Poor (30-40%) Very Low Low Cheapest rates, heavy rain
October Green 84/67 22-26 Poor (25-35%) Very Low Low Wettest month
November Green/Trans 83/67 18-24 Poor-Fair (30-45%) Low Low Late month improves
December Dry/Trans 83/66 8-14 Good (55-70%) Very High (holidays) Very High Holiday crowds

February and March offer the best weather while September and October deliver lowest prices but worst conditions, with June-July veranillo providing the sweet spot for budget travelers wanting decent weather.

How Do Crowds and Prices Vary Throughout the Year at Arenal?

arenal volcano from the top in costa rica

High season from mid-December through April sees hotels fill up 4-6 weeks in advance with prices at annual peaks, while popular tours sell out 2-3 weeks ahead requiring early booking to secure preferred dates and times.

The absolute worst crowd periods hit during Christmas week, New Year’s week, Easter week, and US spring break in March when both international tourists and Costa Rican domestic travelers flood Arenal, creating lines at La Fortuna Waterfall and packed hot springs.

Prices during high season run 20-40% above green season rates with mid-range hotels charging $120-180 versus $80-120 in green season, while tours cost $85-100 versus $65-75 for identical experiences.

Green season from May through November brings dramatic crowd reductions with most attractions feeling empty, tours running with just 4-6 participants versus full 12-person groups, and hotels having vacancy walk-up availability versus selling out weeks ahead.

The crowd sweet spot falls during June-July veranillo when you get partial green season crowd levels (still light) but weather improves noticeably compared to deep green season September-October.

Budget travelers find September-October offering the absolute lowest prices with hotels desperate for business offering 40% discounts, tour operators running specials, and restaurants competing for scarce customers through happy hour deals and promotions.

For detailed costs and money-saving strategies, see our Budget-Friendly Activities in Arenal Volcano guide.

Table: Pricing Throughout the Year (Mid-Range Examples)

Month Hotel (Mid-Range) Hanging Bridges Tour Hot Springs Entry Zip-Line Tour Overall vs Average
January $150-180 $85-95 $75-90 $95-110 +25-30%
February $160-200 $90-100 $80-100 $100-120 +30-35% (peak)
March $155-190 $85-100 $75-95 $95-115 +25-32%
April $140-170 $80-90 $70-85 $90-105 +20-25%
May $100-130 $70-80 $55-70 $75-90 +5-10%
June $95-125 $65-75 $50-65 $70-85 Baseline
July $100-130 $70-80 $55-70 $75-90 +5-10%
August $90-120 $65-75 $50-65 $70-85 Baseline
September $80-110 $60-70 $45-60 $65-80 -15-20%
October $75-105 $55-65 $40-55 $60-75 -20-25% (lowest)
November $80-115 $60-70 $45-60 $65-80 -15-20%
December (early) $120-150 $75-85 $65-80 $85-100 +15-20%
December (holidays) $180-250 $95-110 $90-120 $110-140 +40-50%

September and October offer lowest annual prices at 20-25% below baseline while February and holiday December charge 30-50% premiums for peak season.

When Is the Best Time for Wildlife Viewing at Arenal Volcano?

Native birds singing and nesting during breeding season in Arenal Volcano area, photographed on a tour with Arenal Volcano Costa Rica Tours

March through May marks peak breeding season when birds display vibrant plumage and sing actively, monkeys move frequently through trees, and reptiles emerge with warming temperatures, creating the best overall wildlife viewing window.

September through November green season brings increased animal activity as abundant food sources from fruiting trees and insect hatches draw wildlife into the open, while rain drives animals to sheltered areas where guides know to look.

Night Arenal volcano tours year-round consistently deliver excellent wildlife sightings regardless of season since nocturnal animals like sloths, kinkajous, frogs, and sleeping birds become visible when guides spotlight them, making night tours valuable any month.

Sloth sightings happen year-round with success rates of 80-90% on guided tours during any season, though March-May sees more sloth movement as they search for mates and new food sources making them slightly easier to locate.

Bird watching peaks from December through May when North American migratory species join resident tropical birds, increasing diversity and providing better chances of seeing rare species like resplendent quetzals.

Table: Wildlife Viewing by Season

Wildlife Category Dry Season (Jan-Apr) Green Season (May-Nov) Best Months Why
Sloths Excellent (80-90%) Excellent (80-90%) Year-round Always present in trees
Howler Monkeys Very Good (70-80%) Excellent (80-90%) Sep-Nov More active with fruit
Birds (Total Species) Excellent (200+ species) Very Good (180+ species) Dec-May Migrants present
Toucans Very Good (60-70%) Good (50-60%) Jan-Apr More visible in dry
Poison Dart Frogs Good (40-50%) Excellent (70-80%) May-Nov Breeding in rain
Butterflies Excellent (abundant) Very Good Mar-Jun Peak emergence
Reptiles (Snakes/Lizards) Excellent (warm, active) Very Good Feb-Apr Basking in sun
Night Wildlife Excellent Excellent Year-round Nocturnal patterns stable

March through May offers the best all-around wildlife viewing combining breeding activity, migrants, and good weather, while September-November delivers high activity despite weather challenges.

Rainy afternoons during green season actually improve wildlife spotting as animals emerge to drink, bathe, and feed after storms, creating opportunities that don’t exist during dry season when animals stay hidden in tree canopies during hot afternoons.

The worst wildlife viewing happens during intense rain when animals hunker down and remain motionless, making even expert guides struggle to locate them, though this typically lasts just 1-2 hours during afternoon downpours.

I consistently see more wildlife during green season tours despite worse weather because animals are more active, visible, and predictable in their movements to water sources and fruiting trees, though dry season tours have better lighting for photography.

Book wildlife tours through Arenal Volcano Costa Rica Tours where our naturalist guides know exactly where to find animals in any season.

What Activities Are Best During Different Seasons at Arenal?

Traveler ziplining above lush rainforest canopy during an Arenal Volcano zipline tour with Arenal Volcano Costa Rica Tours.

Zip-lining and canopy tours run year-round but dry season January-April delivers the best experience with dry platforms, no rain delays, clear volcano views from cables, and more comfortable conditions versus green season’s wet harnesses and slippery surfaces.

Hot springs improve during green season when cooler air temperatures and afternoon rain create more comfortable soaking conditions compared to dry season’s intense heat that makes extended hot water immersion less appealing during 90°F afternoons.

Hiking and waterfall visits strongly favor dry season when trails stay firm, river crossings remain safe, and you avoid the muddy slippery conditions that make steep sections like La Fortuna Waterfall’s 500 steps treacherous during heavy rain.

White water rafting actually improves during green season when river levels rise from rain creating more exciting rapids and faster flows, with May-July and September-November offering the best rafting conditions versus dry season’s lower water.

For complete activity options from hiking and wildlife tours to zip-lining and canyoning, see our Top 25 Adventures at Arenal Volcano National Park guide.

Table: Best Season for Each Activity

Activity Dry Season Rating Green Season Rating Best Months Why Considerations
Zip-Lining Excellent Good Jan-Apr Dry platforms, clear views Green season still operates
Hot Springs Very Good Excellent May-Nov Cooler soaking temps Dry season gets hot
Hiking/Trails Excellent Fair-Good Jan-Apr Dry firm trails Green trails muddy
Waterfalls Very Good Excellent May-Nov Higher water flow Access can close heavy rain
Wildlife Tours Very Good Excellent Mar-May, Sep-Nov Animal activity peaks Guides find animals either way
Photography Excellent Very Good Feb-Mar Clear skies, sharp light Green season has drama
Hanging Bridges Excellent Good Jan-Apr Dry walkways, less slip Green season manageable
Kayaking/Lake Very Good Good Jan-Apr Calmer water Green season windy
Canyoning Good Excellent May-Nov Higher waterfall flows Need rain for drama
White Water Rafting Fair-Good Excellent May-Jul, Sep-Nov Higher water levels Dry season too low
Horseback Riding Excellent Fair Jan-Apr Dry trails Muddy in green season

Most activities favor dry season except hot springs (better in cooler green season), rafting (needs high water), canyoning (needs flow), and waterfalls (more dramatic with rain).

Photography of the volcano requires dry season for consistently clear morning views, though green season delivers more dramatic cloudscapes and atmospheric conditions that some photographers prefer despite frequent volcano obscuration.

Adventure activities like canyoning and waterfall rappelling become more exciting during green season when water flows increase, though operators sometimes cancel tours during heaviest rains for safety reasons.

Volcano night views were historically spectacular during the 1968-2010 active period when lava glowed red, but since 2010’s dormancy you won’t see eruptions in any season, though clear night skies in dry season let you see stars above the silhouetted cone.

When Should You Avoid Visiting Arenal Volcano Costa Rica?

Late October through mid-November represents the absolute worst time to visit with torrential daily rains, worst volcano visibility all year (20-30% clear mornings), and potential trail closures making outdoor activities miserable despite rock-bottom prices.

Christmas week and New Year’s week bring extreme crowds with hotels fully booked 3-6 months ahead, tours selling out, attractions packed, and prices at annual peaks of 40-50% above normal, creating stress and limiting spontaneity unless you book far in advance.

Easter week sees similar crowd problems as both international tourists and Costa Rican families vacation simultaneously, overwhelming Arenal’s infrastructure and creating lines at popular attractions that don’t exist during normal periods.

For comprehensive details on timing, costs, activities, and logistics, see our complete guide to Plan Your Visit to Arenal Volcano.

Table: Worst Times to Visit Arenal and Why

Time Period Main Problem Secondary Issues Price Impact Who Might Still Go
Oct 15 – Nov 15 Torrential rain daily Worst visibility, trail closures 40% below normal Extreme budget travelers only
Christmas Week Massive crowds Fully booked, prices spike +40-50% Those with no schedule flexibility
New Year’s Week Massive crowds Everything booked, expensive +40-50% Holiday-constrained visitors
Easter Week Heavy crowds Mix of rain and crowds +25-35% Spring break families
Late April Transitional weather Heat, increasing rain, crowds leaving +15-25% Those extending dry season

Avoid late October through mid-November unless you’re an extreme budget traveler unbothered by constant rain, and skip holiday weeks unless you’ve booked 3-6 months ahead and don’t mind crowds.

US Thanksgiving week in late November gets moderately busy with American tourists but doesn’t reach Christmas/Easter crowd levels, offering a middle ground if you must travel during late green season.

Hurricane season technically runs June through November but Arenal’s inland mountain location protects it from direct hurricane impacts, though associated rain bands occasionally increase precipitation, particularly September through November.

The worst decision is showing up during peak periods without reservations expecting to find accommodation and tours available, which virtually guarantees disappointment and forces you into overpriced last-minute options or scrambling to nearby regions.

What Is the Best Time for Budget Travel to Arenal Volcano?

September and October offer the absolute lowest prices with hotels discounting 40% below high season, tours running specials, and restaurants competing for customers, though you must accept heavy daily rain and poor volcano visibility.

Early December before Christmas week and late November after the worst rains end provide shoulder season sweet spots with prices still 20-30% below peak season while weather gradually improves and crowds remain manageable.

June and July veranillo period delivers surprisingly good value with weather much better than deep green season yet prices staying at green season discounts of 25-35% below high season, creating the best budget-weather balance.

Table: Budget Travel Windows at Arenal

Time Period Savings vs Peak Weather Trade-Off Crowd Level Best For Overall Budget Rating
Sep 1-30 -30% to -40% Heavy daily rain Very Low Extreme budget Excellent savings, poor weather
Oct 1-31 -35% to -40% Torrential rain Very Low Extreme budget Best prices, worst weather
Nov 20-Dec 15 -25% to -30% Improving weather Low Budget + comfort balance Very Good value
May 1-31 -20% to -25% Transition, moderate rain Medium Early green season Good value
Jun 1-Jul 31 -25% to -30% Veranillo, less rain Low Best budget-weather mix Excellent balance
Aug 1-31 -20% to -25% Typical green season Low Budget travelers Good value
Late April -15% to -20% Heat, starting rain Medium Dry season extension Fair value

June-July veranillo offers the best budget-weather balance with 25-30% savings and decent conditions, while September-October delivers maximum savings for those accepting constant rain.

Booking last-minute during green season sometimes yields additional discounts as hotels and tour operators desperately fill empty spots, though this gamble works only if you have completely flexible dates and don’t care which specific activities you do.

Combining green season discounts with budget strategies like hostels, soda meals, self-guided activities, and public transport can drop total Arenal costs to 50-60% below what dry season travelers pay for similar experiences.

The math works out that a couple spending 4 days in Arenal during September might pay $600-800 total versus $1,400-1,800 for the identical itinerary in February, though they’ll spend significant time waiting out afternoon rain.

What Special Events and Festivals Happen Around Arenal Throughout the Year?

Traditional Costa Rican Independence celebration with folkloric dancers, experienced and photographed on a cultural tour with Arenal Volcano Costa Rica Tours

July 25th Independence Day of Guanacaste Province brings celebrations, parades, and cultural events to nearby Tilarán and other regional towns, though La Fortuna itself has limited festivities.

September 15th Costa Rican Independence Day creates nationwide celebrations with lantern parades the evening of September 14th, patriotic decorations, and school activities throughout La Fortuna area.

February 2nd Virgin of Candelaria Festival in El Castillo village near Arenal features religious processions, traditional dancing, food vendors, and community celebrations worth witnessing if you’re staying in the area.

Easter week (Semana Santa) brings religious processions and cultural events throughout La Fortuna and surrounding villages, though tourist crowds also surge making this a mixed blessing for visitors.

Table: Annual Events and Festivals Near Arenal

Event Date Location What Happens Tourist Impact Worth Planning Around
Virgin of Candelaria Feb 2 El Castillo Religious procession, dancing Minimal Nice if nearby
Arenal Running Race Late February La Fortuna Half marathon, 10K Moderate Hotels book up
Semana Santa (Easter) Variable Region-wide Religious events, processions Very High crowds Avoid unless booked ahead
Earth Day April 22 La Fortuna Environmental activities Minimal Not significant
Guanacaste Day July 25 Regional Parades, cultural events Moderate Worth seeing
Independence Day Sep 15 La Fortuna Lantern parade Sep 14, celebrations Low Interesting cultural experience
Día de los Muertos Nov 2 Regional Cemetery visits, traditions Minimal Minor cultural interest
Christmas/New Year Dec 24-Jan 2 La Fortuna Decorations, masses Extreme crowds Avoid unless booked far ahead

Most festivals have minimal tourist impact except Easter and Christmas which bring massive crowds requiring advance planning, while September 15th Independence celebrations offer genuine cultural experiences.

Farmer’s markets in La Fortuna run Saturday mornings year-round providing weekly cultural experiences with local produce, crafts, and food vendors, though this isn’t a special annual event.

The Arenal region lacks major tourist-focused festivals compared to other Costa Rica destinations, with most events being genuine local celebrations that visitors can witness but weren’t designed for tourism.

For the best tour availability and pricing, book Arenal tours 2-3 weeks ahead at https://arenalvolcanocostaricatours.com/ where we guarantee availability.

FAQs

What is the best month to visit Arenal Volcano Costa Rica?

February and early March offer the best overall conditions with clearest volcano views, minimal rain, and optimal weather for all activities, though prices peak and crowds surge requiring 3-4 week advance booking.

Is it better to visit Arenal in dry season or rainy season?

Dry season January-April delivers better weather and reliability for activities while green season May-November offers 30-40% lower prices, fewer crowds, and lush landscapes despite daily afternoon rain.

Can you see the volcano clearly in rainy season?

Morning visibility in green season runs 30-50% versus 70-85% in dry season, meaning you’ll likely see the volcano clearly some mornings but miss it other days when clouds obscure the peak.

What is the cheapest month to visit Arenal Volcano?

September and October offer lowest prices at 35-40% below peak season with hotels desperate for business, though you must accept heavy daily rain and worst volcano visibility all year.

When is the best time for wildlife at Arenal?

March through May and September through November provide peak wildlife viewing when breeding activity, fruiting trees, and rain patterns make animals more visible and active.

Should I avoid rainy season at Arenal Volcano?

Not necessarily – green season May-November offers great value with 30-40% savings, fewer crowds, and lush landscapes, though accept daily afternoon rain and clouds obscuring morning volcano views 50-70% of days.

How to Choose the Best Time for Your Arenal Volcano Visit

Identify your top priority between weather reliability, budget savings, avoiding crowds, or wildlife viewing, as no season delivers all four simultaneously.

Consider weather tolerance honestly, asking whether you’ll be miserable hiking in afternoon rain or if you can embrace it as part of the rainforest experience while saving 30-40% on costs.

Check specific activity requirements since zip-lining, horseback riding, and hiking favor dry season while white water rafting, canyoning, and waterfall photography improve during green season.

Calculate total trip budget including accommodation, tours, and flights to determine whether dry season’s 25-35% price premium fits your finances or necessitates green season savings.

Review your vacation dates for flexibility, as those locked into specific weeks should choose the best season overlapping their availability rather than adjusting work schedules around optimal Arenal weather.

Research crowd patterns if you hate waiting in lines or packed tour buses, recognizing Christmas, New Year’s, Easter, and February-March bring masses while September-November feel empty.

Balance multiple factors rather than optimizing for one, with June-July veranillo offering the sweet spot balancing decent weather, moderate prices, and light crowds for most visitors.

Book early during dry season December-April securing preferred hotels and tours 3-4 weeks ahead, while green season accepts 1-2 week lead times with walk-up availability common.

For expert help choosing the best time for your specific interests and booking quality tours, visit Arenal Volcano Costa Rica Tours where we specialize in matching travelers to ideal seasons.

Glossary

  • Dry Season: January through April period with minimal rain, clear volcano views, and peak tourism despite higher prices.
  • Green Season: May through November rainy period with daily afternoon showers, 30-40% lower prices, and lush landscapes.
  • Veranillo: Brief dry spell within green season during June-July offering better weather than surrounding months.
  • High Season: Peak tourist period December through April when prices surge 25-35% and crowds require advance booking.
  • Shoulder Season: Transition periods in May and November-early December offering moderate prices and improving weather.

Key Takeaways

The best time to visit Arenal Volcano is January through April dry season for optimal weather with 70-85% clear morning volcano views, minimal rain, and ideal conditions for all activities despite 25-35% higher prices and larger crowds. February and early March specifically offer peak conditions requiring 3-4 week advance booking. Green season May through November brings 30-40% lower prices, dramatically fewer crowds, and incredibly lush landscapes but expect daily afternoon rain and 30-50% morning volcano visibility. September-October offers rock-bottom prices at 35-40% below peak season but delivers torrential rain and worst visibility making these months suitable only for extreme budget travelers. June-July veranillo period provides the best budget-weather balance with decent conditions and green season pricing. Wildlife viewing peaks March-May and September-November when animals are most active. Avoid late October through mid-November for worst weather and Christmas/New Year/Easter weeks for extreme crowds unless booked 3-6 months ahead. Activities like zip-lining, hiking, and horseback riding favor dry season while rafting, canyoning, and hot springs improve during green season. Book 3-4 weeks ahead for dry season, just 1-2 weeks for green season. Choose based on priorities between weather reliability, budget savings, crowds, or specific activities. Book quality Arenal tours at https://arenalvolcanocostaricatours.com/.

Written by Carlos Mendez, Arenal Volcano tour guide for the past 12 years, specializing in Costa Rica seasonal travel planning. Date: December 29, 2025.