Central Valley
San José · Cartago

Explore current conditions by region, check the next few days, and see what the weather is usually like for your travel dates.
The Pacific and Caribbean have different rainfall patterns. Use the regional forecast rather than one country-wide season label.
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Weather data © OpenWeather · ODbL

Select a destination and your dates to explore regional climate patterns from 2015–2024. Historical averages help you plan; they cannot predict the weather on a specific future day.
Regional NASA POWER / MERRA-2 estimates, 2015–2024. Terrain, elevation and coastal conditions can differ from the grid. A wet day means at least 1 mm of rain in the regional data.
Pacific destinations often have a more marked dry and rainy cycle. Caribbean rainfall follows a different pattern. In the Central Valley and mountain areas, altitude matters as much as the coast you are visiting. These six travel regions organize the destination cards; they are not a substitute for the IMN’s detailed climatic regions.
San José · Cartago
Liberia · Tamarindo
Jacó · Quepos / Manuel Antonio
Uvita · Puerto Jiménez
La Fortuna · Sarapiquí
Limón · Puerto Viejo de Talamanca
Yes. Use the travel-date planner for historical monthly patterns. For a trip within the available forecast window, consult the short-term forecast as your dates approach.
A seasonal label does not describe every hour of every day. Rainfall varies between coasts, mountains and valleys. Check the dated forecast for your destination and allow flexibility for outdoor plans.
No. The two coasts can have different rainfall patterns, and mountain conditions can differ from nearby lowlands. Select your region and destination rather than relying on a national average.
The OpenWeather feed covers approximately five days in three-hour intervals. Daily cards summarize the available samples; the first and last dates may be partial days.
It is the highest precipitation probability among the available three-hour forecast intervals for that date. It is not the percentage of the day that will be rainy or a probability calculated for the full day.
It is the share of sampled days with at least 1 mm of precipitation in the selected calendar months during 2015–2024. It describes past regional patterns, not the chance of rain on your specific trip dates.
Consult the Instituto Meteorológico Nacional (IMN) for the latest official forecast and advisories. A general weather forecast does not assess sea conditions, trail access or the safety of a particular activity.
Current conditions and short-term forecasts: OpenWeather. Official national information: Instituto Meteorológico Nacional. Travel-date climate patterns: NASA POWER daily regional data, 2015–2024.
Short-term forecast dates use Costa Rica time (UTC−6). Past observations are not a forecast. Data may be unavailable during provider or network interruptions.
Use the forecast to prepare your packing list and discuss the day’s conditions with your local guide.
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