Average annual temperature is 25.2 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: 13.3 °C
Number of sunny days: 137 days
Number of rainy days: 228 days
Look at detailed online map of San Francisco Puerto Rico
* Weather data for San Francisco Puerto Rico 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) | 30.8 | 33.3 | 34.4 | 36.6 | 38.8 | 37.7 | 34.3 | 33.4 | 31.6 | 31.3 | 32.2 | 31.4 |
| Average daytime temperature (°C) | 29.0 | 30.8 | 32.5 | 34.5 | 34.6 | 33.1 | 31.3 | 30.6 | 30.1 | 29.3 | 28.5 | 28.5 |
| Average temperature (°C) | 23.2 | 24.0 | 26.2 | 27.9 | 27.8 | 27.2 | 25.4 | 25.3 | 24.9 | 24.4 | 23.5 | 22.7 |
| Average night temperature (°C) | 18.5 | 18.9 | 21.3 | 22.5 | 22.8 | 23.1 | 21.6 | 21.6 | 21.4 | 21.0 | 19.9 | 18.3 |
| Absolute minimum temperature (°C) | 15.9 | 14.5 | 19.2 | 20.5 | 21.1 | 21.4 | 20.8 | 20.3 | 20.7 | 19.1 | 17.1 | 13.3 |
| 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) | 11.3 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.5 | 10.6 | 11.1 | 11.5 | 11.6 | 11.2 | 10.4 | 10.2 | 10.5 | 10.2 | 9.9 | 10.0 |
| Precipitation (mm) | 6 | 4 | 25 | 14 | 66 | 179 | 285 | 209 | 298 | 264 | 91 | 21 |
| Sunny days | 21 | 23 | 19 | 20 | 9 | 6 | 4 | 3 | 0 | 1 | 11 | 20 |
| Rainy days | 10 | 5 | 12 | 10 | 22 | 24 | 27 | 28 | 30 | 30 | 19 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Francisco Puerto Rico is at