Best Time of Year to Travel to Costa Rica
Plan your Costa Rican adventure! Learn about the dry and green seasons, regional climate variations, and the best months for wildlife, surfing, and Pura Vida.

When is the Best Time to Visit Costa Rica?
Costa Rica, a land of incredible biodiversity and "Pura Vida," boasts a tropical climate with distinct microclimates across its regions. Understanding its weather patterns is key to planning your perfect trip, whether you're dreaming of rainforest hikes, volcanic adventures, or relaxing on pristine beaches.
General Weather Patterns
Costa Rica primarily has two major seasons:
Dry Season (Verano - Summer): December to April
- This is generally considered the peak tourist season and offers the most sunshine, especially on the Pacific coast and in the Central Valley.
- Expect warm, sunny days with average temperatures ranging from 21-29°C (70-85°F) in most areas.
- Pros: Ideal for beach activities, hiking, and clear views of volcanoes. Roads are generally in better condition.
- Cons: More crowds, higher prices for accommodations and tours. Some areas, particularly in Guanacaste, can become very dry.
Green Season (Invierno - Winter/Rainy Season): May to November
- Characterized by afternoon rain showers, though mornings are often sunny. The landscape becomes incredibly lush and vibrant.
- Pros: Fewer tourists, lower prices, and excellent opportunities for wildlife viewing as animals are more active. Rivers are full, making it great for white-water rafting.
- Cons: Rain can impact some activities or travel, especially in more remote areas. Humidity is higher. September and October are typically the rainiest months, especially on the Pacific side.
Regional Variations
Costa Rica's diverse topography creates significant regional climate differences:
- Pacific Coast (Guanacaste, Nicoya Peninsula, Central & South Pacific):
- Follows the general dry (Dec-Apr) and green (May-Nov) season pattern. Guanacaste is the driest region. The South Pacific (Osa Peninsula) tends to be rainier year-round but is incredibly biodiverse.
- Caribbean Coast (Tortuguero, Puerto Viejo de Talamanca):
- Has a different weather pattern. It can be rainy year-round, but often experiences a drier spell in September and October, and again in February-March.
- Tortuguero's main turtle nesting season (Green Turtles) is July to October.
- Central Valley (San José, Arenal, Monteverde):
- Temperatures are generally milder due to altitude. Arenal and Monteverde (cloud forests) can experience mist and rain year-round, contributing to their lushness. The dry season offers clearer views of Arenal Volcano.
Best Time for Specific Activities
- Wildlife Viewing: The green season (May-November) can be excellent as wildlife is more active and landscapes are lush. However, many animals can be seen year-round.
- Resplendent Quetzals (Monteverde): Nesting season is typically March to July.
- Whale Watching (Humpback Whales - Pacific Coast): Two main seasons: December to April (northern hemisphere whales) and July to November (southern hemisphere whales). Uvita (Marino Ballena National Park) is a prime spot.
- Sea Turtle Nesting:
- Tortuguero (Caribbean - Green Turtles): July to October (peak August-September).
- Ostional (Pacific - Olive Ridley arribadas): Primarily May to December, with peaks often around the new moon.
- Surfing:
- Pacific Coast: Consistent swells year-round. The biggest swells typically hit from May to November (rainy season). December to April offers cleaner conditions and offshore winds.
- Caribbean Coast: Best from December to March when swells from tropical storms in the north arrive.
- Volcano Hiking & Adventure Activities (Zip-lining, Rafting): The dry season (December-April) generally offers better conditions for hiking and clearer views. Rafting can be more exciting during the early to mid-green season when rivers are fuller.
Shoulder Seasons: A Sweet Spot
- May and November: These transitional months can offer a good mix of decent weather, fewer crowds, and the beginning/end of the lush green scenery.
Conclusion
For the sunniest weather and most predictable conditions, especially for beach holidays and extensive hiking, the dry season (December to April) is often preferred. However, don't discount the green season (May to November), which offers its own unique beauty, more active wildlife, and better deals.
The "best" time truly depends on your priorities, the specific regions you plan to visit, and the activities you're most interested in. Always check local forecasts closer to your travel dates, and embrace the "Pura Vida" spirit, rain or shine!