Average annual temperature is 25.0 °C
Absolute maximum temperature: 42.2 °C
Absolute minimum temperature: 8.8 °C
Number of sunny days: 270 days
Number of rainy days: 95 days
Look at detailed online map of Costa Rica
* Weather data for Costa Rica Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.5 | 33.9 | 35.7 | 35.8 | 42.2 | 39.5 | 36.9 | 37.9 | 37.1 | 38.0 | 36.4 | 35.7 |
| Average daytime temperature (°C) | 28.7 | 29.8 | 31.5 | 33.1 | 35.2 | 34.6 | 34.3 | 34.6 | 34.1 | 32.3 | 32.6 | 31.5 |
| Average temperature (°C) | 19.4 | 20.0 | 21.4 | 23.6 | 26.5 | 28.3 | 29.3 | 29.3 | 28.9 | 26.6 | 24.8 | 22.0 |
| Average night temperature (°C) | 12.7 | 12.4 | 13.3 | 15.6 | 18.9 | 22.7 | 25.4 | 25.1 | 25.1 | 22.5 | 19.1 | 15.0 |
| Absolute minimum temperature (°C) | 9.1 | 8.8 | 9.9 | 11.2 | 14.9 | 18.8 | 23.5 | 23.6 | 23.2 | 17.4 | 14.9 | 9.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.8 | 11.3 | 12.0 | 12.7 | 13.3 | 13.6 | 13.5 | 13.0 | 12.3 | 11.6 | 11.0 | 10.7 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.7 | 10.1 | 10.8 | 11.3 | 11.6 | 12.3 | 11.0 | 10.5 | 11.0 | 9.1 | 9.2 | 9.2 |
| Precipitation (mm) | 0 | 3 | 2 | 0 | 0 | 0 | 113 | 156 | 103 | 177 | 16 | 0 |
| Sunny days | 29 | 26 | 30 | 29 | 31 | 29 | 8 | 6 | 8 | 16 | 27 | 31 |
| Rainy days | 2 | 2 | 1 | 1 | 0 | 1 | 23 | 25 | 22 | 15 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Costa Rica is at