Average annual temperature is 17.7 °C
Absolute maximum temperature: 25.6 °C
Absolute minimum temperature: 10.1 °C
Number of sunny days: 63 days
Number of rainy days: 302 days
Look at detailed online map of San Cristóbal Sur
* Weather data for San Cristóbal Sur 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) | 23.8 | 24.9 | 24.9 | 25.3 | 25.6 | 24.3 | 24.4 | 24.5 | 24.1 | 23.4 | 23.9 | 24.1 |
| Average daytime temperature (°C) | 22.2 | 23.1 | 22.2 | 23.0 | 23.4 | 21.8 | 22.5 | 22.6 | 22.8 | 21.1 | 21.7 | 22.7 |
| Average temperature (°C) | 17.0 | 17.4 | 17.1 | 17.5 | 18.5 | 17.9 | 18.1 | 17.9 | 17.8 | 17.3 | 17.5 | 17.9 |
| Average night temperature (°C) | 13.3 | 13.7 | 13.4 | 13.5 | 15.1 | 14.8 | 14.8 | 14.4 | 14.2 | 14.5 | 14.4 | 14.7 |
| Absolute minimum temperature (°C) | 11.0 | 11.6 | 10.1 | 10.5 | 13.5 | 13.2 | 12.8 | 12.8 | 13.1 | 13.1 | 13.3 | 11.6 |
| 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) | 11.6 | 11.8 | 12.1 | 12.3 | 12.6 | 12.7 | 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) | 10.4 | 10.9 | 9.9 | 10.6 | 9.3 | 8.0 | 8.7 | 8.7 | 9.2 | 7.0 | 8.3 | 10.3 |
| Precipitation (mm) | 16 | 13 | 203 | 124 | 191 | 344 | 190 | 206 | 192 | 729 | 272 | 67 |
| Sunny days | 13 | 18 | 9 | 2 | 5 | 1 | 1 | 1 | 0 | 0 | 2 | 11 |
| Rainy days | 18 | 10 | 22 | 28 | 26 | 29 | 30 | 30 | 30 | 31 | 28 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Cristóbal Sur is at