Average annual temperature is 23.2 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: 6.0 °C
Number of sunny days: 246 days
Number of rainy days: 119 days
Look at detailed online map of San Alfonso
* Weather data for San Alfonso 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) | 31.3 | 30.6 | 32.9 | 35.7 | 37.7 | 41.8 | 35.2 | 35.2 | 37.1 | 36.3 | 33.3 | 31.3 |
| Average daytime temperature (°C) | 26.1 | 26.5 | 28.7 | 32.3 | 34.3 | 36.2 | 31.4 | 32.1 | 32.9 | 30.1 | 29.3 | 27.3 |
| Average temperature (°C) | 17.9 | 18.3 | 20.6 | 23.6 | 26.0 | 28.1 | 26.2 | 26.3 | 26.8 | 23.9 | 21.8 | 18.4 |
| Average night temperature (°C) | 10.8 | 11.5 | 13.1 | 15.1 | 17.5 | 20.8 | 21.4 | 20.8 | 21.2 | 18.7 | 15.9 | 11.7 |
| Absolute minimum temperature (°C) | 6.0 | 6.2 | 9.0 | 11.8 | 14.1 | 17.3 | 18.7 | 17.3 | 19.2 | 13.7 | 10.4 | 7.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 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 | 12.8 | 13.4 | 13.7 | 13.5 | 13.0 | 12.3 | 11.6 | 10.9 | 10.6 |
| 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) | 9.4 | 9.2 | 10.7 | 11.7 | 11.3 | 12.4 | 10.9 | 10.8 | 11.0 | 8.5 | 9.5 | 9.1 |
| Precipitation (mm) | 13 | 49 | 9 | 0 | 0 | 16 | 169 | 63 | 51 | 219 | 15 | 9 |
| Sunny days | 23 | 22 | 29 | 29 | 29 | 23 | 3 | 13 | 6 | 15 | 26 | 28 |
| Rainy days | 8 | 6 | 2 | 1 | 2 | 7 | 28 | 18 | 24 | 16 | 4 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Alfonso is at