Average annual temperature is 26.7 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: 19.8 °C
Number of sunny days: 49 days
Number of rainy days: 316 days
Look at detailed online map of San Cristobal
* Weather data for San Cristobal Puerto Rico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.6 | 29.9 | 30.6 | 30.4 | 32.1 | 33.4 | 35.2 | 34.6 | 34.7 | 34.5 | 33.8 | 32.2 |
| Average daytime temperature (°C) | 27.6 | 28.4 | 28.9 | 28.6 | 30.6 | 31.8 | 32.8 | 32.2 | 33.0 | 32.4 | 30.9 | 30.3 |
| Average temperature (°C) | 24.2 | 24.5 | 25.0 | 25.2 | 26.9 | 28.2 | 28.5 | 28.3 | 28.7 | 28.1 | 26.9 | 26.0 |
| Average night temperature (°C) | 21.7 | 21.7 | 21.8 | 22.1 | 23.8 | 25.2 | 25.3 | 25.5 | 25.5 | 24.9 | 24.1 | 22.9 |
| Absolute minimum temperature (°C) | 20.2 | 19.9 | 19.8 | 20.7 | 22.8 | 24.1 | 24.0 | 23.8 | 23.1 | 22.5 | 21.9 | 21.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.0 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.3 | 10.5 | 10.9 | 11.2 | 11.3 | 12.0 | 10.8 | 9.8 | 10.9 | 10.2 | 9.4 | 10.1 |
| Precipitation (mm) | 25 | 21 | 26 | 66 | 105 | 98 | 110 | 134 | 68 | 113 | 96 | 31 |
| Sunny days | 9 | 10 | 11 | 1 | 0 | 2 | 0 | 2 | 0 | 2 | 2 | 10 |
| Rainy days | 22 | 18 | 20 | 29 | 31 | 28 | 31 | 29 | 30 | 29 | 28 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Cristobal is at