Average annual temperature is 21.0 °C
Absolute maximum temperature: 42.1 °C
Absolute minimum temperature: 1.6 °C
Number of sunny days: 226 days
Number of rainy days: 138 days
Number of snow days: 1 day
Look at detailed online map of San Alonso
* Weather data for San Alonso 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) | 26.9 | 27.3 | 29.6 | 34.7 | 37.0 | 42.1 | 42.0 | 38.9 | 40.5 | 35.7 | 31.6 | 28.3 |
| Average daytime temperature (°C) | 22.0 | 22.3 | 25.5 | 29.5 | 32.0 | 37.7 | 38.0 | 35.6 | 36.4 | 30.7 | 25.8 | 24.0 |
| Average temperature (°C) | 13.6 | 13.6 | 16.8 | 20.1 | 23.4 | 28.3 | 28.1 | 26.9 | 26.9 | 22.3 | 17.6 | 14.3 |
| Average night temperature (°C) | 6.9 | 6.6 | 9.4 | 10.9 | 14.7 | 19.3 | 20.3 | 20.1 | 19.3 | 15.7 | 11.8 | 7.6 |
| Absolute minimum temperature (°C) | 1.6 | 2.0 | 3.2 | 6.4 | 11.1 | 14.9 | 18.4 | 17.9 | 17.6 | 9.3 | 4.8 | 4.1 |
| 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) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.8 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.2 | 8.9 | 10.0 | 11.8 | 12.0 | 12.6 | 12.4 | 11.4 | 11.4 | 9.4 | 8.9 | 9.0 |
| Precipitation (mm) | 22 | 41 | 40 | 2 | 11 | 4 | 29 | 56 | 18 | 35 | 24 | 14 |
| Sunny days | 24 | 20 | 24 | 27 | 20 | 24 | 5 | 7 | 11 | 18 | 21 | 25 |
| Rainy days | 6 | 8 | 7 | 3 | 11 | 6 | 26 | 24 | 19 | 13 | 9 | 6 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Alonso is at