Best Time to Visit Costa Rica: Dry Season vs. Green Season Explained

Planning a trip to Costa Rica and trying to figure out when to go? You're not alone — "best time to visit Costa Rica" is one of the most searched travel questions on the internet, and for good reason. The answer is genuinely complicated, because Costa Rica's weather varies dramatically by region, by activity, and even by coast.

The short answer: there is no single "best" time. There's a best time for you, depending on what you want to do and where you want to go. Here's how to figure that out.

Understanding Costa Rica's Two Seasons

Costa Rica doesn't have four seasons — it has two: dry season and green season (also called rainy season). But "rainy season" is a bit of a misnomer that scares travelers away unnecessarily.

Dry Season: December through April

This is when the majority of tourists visit. Skies are reliably clear, beaches are sunny, and the roads are easier to navigate. Prices are higher, popular spots like Arenal, Manuel Antonio, and Guanacaste are more crowded, and you'll need to book accommodation further in advance.

•      Best for: beach vacations on the Pacific coast, family trips, first-time visitors who want predictable weather

•      Drawback: higher prices, more crowds, some wildlife is less active

•      Key hotspot during this period: Guanacaste's Nicoya Peninsula — some of the best dry season beaches in all of Central America

Green Season: May through November

Here's what the travel industry doesn't want you to hear: green season in Costa Rica is often spectacular. Afternoon rain showers (usually 2–4 hours) keep the jungle vivid and lush, waterfalls are at their fullest, and wildlife activity peaks — this is when sea turtles nest on both coasts, whales migrate through the Pacific, and the country is at its most photogenic.

•      Best for: wildlife watching, surfing (bigger swells on the Pacific), waterfall hikes, budget-conscious travelers

•      Drawback: unpredictable weather, some roads become difficult, a few eco-lodges close during September and October

•      September and October are the "shoulder of the shoulder" — least visited, lowest prices, but also the rainiest weeks of the year

💡 Insider tip: Green season prices can be 20–40% lower than peak season. If you're flexible and don't mind afternoon showers, May through August offers the best balance of lower cost and still-pleasant weather.

The Caribbean vs. Pacific Coast: Opposite Rainy Seasons

This is the detail most travel articles miss, and it's important: Costa Rica's Caribbean coast has the OPPOSITE weather pattern from the Pacific coast.

•      Caribbean coast (Tortuguero, Puerto Viejo, Cahuita): drier from February through April and September through October — when it's wet on the Pacific

•      Pacific coast (Manuel Antonio, Guanacaste, Dominical): drier from December through April

What this means practically: if you're visiting in September or October and want beach time, head to the Caribbean side. The sun will be shining while the Pacific is at its wettest.

Best Time by Activity

Wildlife Watching

•      Turtle nesting (Pacific — Ostional): July through November, with the famous mass arrivals (arribadas) in September and October

•      Turtle nesting (Caribbean — Tortuguero): Green sea turtles nest July through October; leatherbacks March through July

•      Whale watching: Humpback whales from both hemispheres overlap in the Southern Pacific from July through October — the longest humpback season on earth

•      Quetzal sightings: March and April in the cloud forests of Monteverde and San Gerardo de Dota

Surfing

•      Pacific coast (Tamarindo, Nosara, Jaco, Dominical): best swells during green season, May through November

•      Caribbean coast (Puerto Viejo): December through March for the biggest swells

Hiking and Waterfalls

•      Waterfalls peak during rainy season — La Fortuna Falls near Arenal and Nauyaca Falls near Dominical are most dramatic May through November

•      Cloudforest hiking in Monteverde is year-round, though August and September see the most cloud cover (which is actually part of the experience)

Families with School-Age Children

If you're working around school schedules, December through early January and late July through mid-August are the most popular family travel windows. Book early — Manuel Antonio and Arenal fill up fast.

Best Time to Visit by Region

Guanacaste (Pacific Northwest)

The driest region in Costa Rica. January through April is almost rain-free. This is Costa Rica's most resort-heavy region — great for beach vacations but the most susceptible to overcrowding during peak season.

Manuel Antonio (Central Pacific)

One of the most visited national parks in the world. Best visited December through April for reliable sun, but green season here is milder than the north. Monkeys, sloths, and scarlet macaws are present year-round.

Arenal Volcano

Arenal is famously shrouded in cloud cover — even on "clear" days, it's often hidden. Statistically, February and March offer the clearest views of the cone. Hot springs are enjoyable any time of year.

Tortuguero (Caribbean)

The only way in is by boat or small plane. Best visited during green turtle nesting season (July through October) when the canals are full of wildlife and the nesting beaches are active.

Osa Peninsula and Corcovado

The most biodiverse place on earth per unit area. The Osa Peninsula is most accessible December through April. During rainy season, some trails close and access to remote lodges becomes more difficult — always check conditions with your travel advisor before booking.

Quick Reference: Best Month-by-Month

Month-by-Month Snapshot

•      December – April: Dry season, peak crowds, higher prices, reliable Pacific beach weather. Best for first-timers and beach vacations.

•      May – June: Green season starts. Still-pleasant weather, lower prices, lush landscapes. Excellent value window.

•      July – August: Rainy but not relentless. Whale watching begins. Turtle nesting active. Good mix of wildlife and affordability.

•      September – October: Rainiest months on Pacific. Drier on Caribbean coast. Lowest prices of the year. Best for serious wildlife enthusiasts and surfers.

•      November: Transition month. Rains taper off. Early-bird pricing before peak season begins. Good value.

Pro tip from Condor's advisors: Some of our most memorable client trips have happened in May and June. The country is green, the crowds are gone, and the wildlife is extraordinary. Don't write off green season before talking to someone who's actually been during those months.

The Bottom Line: Which Season Is Right for You?

If you want guaranteed sunshine, beach weather, and easy access everywhere: go December through April, and book early.

If you want lower prices, lush scenery, fewer tourists, and don't mind occasional afternoon rain: May through August is a fantastic window.

If you're a wildlife fanatic: plan around the specific animals you want to see (turtle nesting, whale season, quetzal mating season) regardless of which coast that puts you on.

Costa Rica rewards travelers who go beyond the brochure. The best time to visit is the time that matches what you actually want to experience — and that's worth a conversation with a travel advisor who knows the country season by season.

Ready to Plan Your Costa Rica Trip?

Condor Tours & Travel has been designing custom Costa Rica itineraries since 1991. Tell us when you want to go and what you want to experience — we'll build the trip around your perfect season.

Call us: (770) 339-9961 and we'll help you have fun traveling in Costa Rica.