Carlos Mendez
Latin America Travel ExpertCarlos has explored Costa Rica's diverse ecosystems during both dry and green seasons, from Caribbean beaches to Pacific rainforests. His expertise in Latin American climate patterns helps travelers understand Costa Rica's unique weather systems and plan trips that match their adventure goals. He's particularly knowledgeable about wildlife viewing seasons and sustainable tourism practices.
Expertise:
Credentials:
- 8+ trips to Costa Rica across all seasons
- 15+ years Latin America expertise
- Certified naturalist guide
- Fluent in Spanish
- Published in National Geographic
Quick Answer
Best Overall: December to April (dry season) offers the most reliable weather with sunshine and minimal rain. However, the green season (May-November) provides lush landscapes, fewer crowds, and better prices, with manageable afternoon showers.
Understanding Costa Rica's Climate
Two Main Seasons
Dry Season (December-April)
- • Minimal rainfall, especially on Pacific coast
- • Sunny days perfect for beach and outdoor activities
- • Peak tourist season with higher prices
- • Best for first-time visitors
Green Season (May-November)
- • Afternoon rain showers, mornings often sunny
- • Lush, vibrant landscapes
- • Fewer tourists and lower prices
- • Excellent for wildlife viewing
Regional Variations
Pacific Coast
Distinct dry season with very little rain December-April. Green season brings afternoon showers but mornings stay clear.
Caribbean Coast
Different pattern with drier weather in September-October and February-March. More rain year-round than Pacific side.
Central Valley
Mild temperatures year-round with afternoon showers during green season. Pleasant climate regardless of season.
Month-by-Month Guide
December-February
Weather
Peak dry season with excellent weather throughout the country. Sunny days, low humidity, minimal rain.
Crowds & Prices
Highest tourist season, especially around holidays. Book accommodations well in advance. Premium prices.
Best For
Beach vacations, first-time visitors, families, guaranteed sunshine
March-April
Weather
Hottest and driest months. Very little rain but temperatures can be quite warm, especially inland.
Crowds & Prices
Still busy but slightly less crowded than December-February. Prices remain high but start dropping in late April.
Best For
Beach lovers, diving (best visibility), turtle nesting season begins
May-June
Weather
Transition to green season. Mornings usually sunny with afternoon rain showers. Landscapes become lush and green.
Crowds & Prices
Significant drop in tourists and prices. Excellent value for accommodations and tours.
Best For
Budget travelers, wildlife viewing, surfing, avoiding crowds
July-August
Weather
"Veranillo" (little summer) brings a brief dry spell with less rain than other green season months.
Crowds & Prices
Moderate crowds due to summer vacation season. Prices increase slightly but still lower than dry season.
Best For
Families (school vacation), turtle watching, whitewater rafting
September-October
Weather
Wettest months on Pacific coast. Caribbean coast experiences drier weather. Expect more rain but still manageable.
Crowds & Prices
Lowest tourist numbers and best deals of the year. Some remote lodges may close for maintenance.
Best For
Budget travelers, Caribbean coast visits, wildlife photography, solitude
November
Weather
Transition month as rain begins to decrease. Late November sees improving conditions as dry season approaches.
Crowds & Prices
Still quiet with good deals, especially early November. Prices start rising toward Thanksgiving.
Best For
Shoulder season value, fewer crowds, improving weather
Best Time by Activity
Wildlife Viewing
Green Season (May-November)
Animals congregate around water sources. Nesting season for many birds. Baby animals visible. Lush vegetation provides food.
Beach & Surfing
Dry Season (December-April)
Best beach weather with consistent sunshine. Pacific coast has excellent surf conditions.
Caribbean Surf
December-March for best waves on Caribbean coast.
Turtle Watching
Pacific Coast
Olive Ridley turtles: July-December. Leatherbacks: October-March.
Caribbean Coast
Green turtles: July-October. Leatherbacks: March-July.
Whitewater Rafting
Green Season (June-October)
Higher water levels create more exciting rapids. Best conditions for experienced rafters.
When NOT to Visit
October (Pacific Coast)
Wettest month with potential for heavy, prolonged rain. Some roads may be difficult to navigate. However, Caribbean coast is actually drier during this time.
Easter Week (Semana Santa)
Extremely crowded with domestic tourists. Beaches packed, prices spike, accommodations book months in advance.
Christmas-New Year
Peak prices and crowds. Book 6-12 months in advance or avoid this period entirely for better value.
Final Verdict
Best Overall Time
Late November to early December or late April to early May offer the sweet spot of good weather, fewer crowds, and reasonable prices.
Choose Based on Priorities
Best Weather
January-March (but most expensive)
Best Value
May-June or September-November
Best Wildlife
May-November (green season)
Fewest Crowds
September-October
Best Balance
Late November-early December