Average annual temperature is 22.5 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: 13.2 °C
Number of sunny days: 14 days
Number of rainy days: 351 days
Look at detailed online map of Alto Calderón
* Weather data for Alto Calderón Costa Rica is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 31.5 | 33.7 | 32.5 | 31.5 | 31.3 | 29.1 | 29.3 | 29.8 | 28.7 | 28.9 | 28.7 | 31.3 |
| Average daytime temperature (°C) | 26.9 | 31.4 | 28.7 | 29.0 | 28.4 | 27.2 | 26.6 | 26.7 | 26.9 | 26.6 | 26.0 | 28.0 |
| Average temperature (°C) | 21.2 | 23.8 | 22.4 | 23.1 | 23.1 | 22.7 | 22.4 | 22.4 | 22.1 | 22.1 | 21.8 | 22.7 |
| Average night temperature (°C) | 17.2 | 18.1 | 17.9 | 18.9 | 19.5 | 19.5 | 19.3 | 19.2 | 18.9 | 19.1 | 18.9 | 18.8 |
| Absolute minimum temperature (°C) | 13.2 | 15.8 | 15.1 | 17.0 | 17.0 | 16.5 | 18.7 | 17.8 | 17.9 | 18.1 | 17.7 | 15.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.2 | 10.9 | 9.5 | 9.8 | 8.8 | 7.8 | 7.6 | 8.0 | 8.6 | 6.8 | 7.7 | 9.7 |
| Precipitation (mm) | 236 | 27 | 191 | 164 | 376 | 424 | 654 | 528 | 571 | 563 | 672 | 256 |
| Sunny days | 1 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Rainy days | 30 | 17 | 30 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Alto Calderón is at