Average annual temperature is 20.5 °C
Absolute maximum temperature: 39.2 °C
Absolute minimum temperature: 6.3 °C
Number of sunny days: 234 days
Number of rainy days: 131 days
Look at detailed online map of San Simón
* Weather data for San Simón 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) | 28.2 | 32.7 | 33.7 | 35.2 | 36.2 | 39.2 | 31.7 | 32.2 | 33.0 | 30.8 | 30.2 | 26.1 |
| Average daytime temperature (°C) | 25.7 | 27.8 | 31.0 | 32.4 | 33.1 | 35.6 | 29.6 | 29.4 | 30.1 | 27.6 | 27.3 | 23.4 |
| Average temperature (°C) | 16.4 | 18.1 | 19.8 | 21.7 | 22.9 | 24.7 | 22.1 | 21.9 | 22.6 | 20.4 | 19.5 | 16.4 |
| Average night temperature (°C) | 9.5 | 10.3 | 10.4 | 12.0 | 13.5 | 15.8 | 17.7 | 17.7 | 18.4 | 16.1 | 14.3 | 11.5 |
| Absolute minimum temperature (°C) | 7.2 | 8.2 | 8.9 | 9.3 | 11.4 | 12.4 | 16.0 | 15.8 | 16.6 | 12.7 | 8.2 | 6.3 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.5 | 12.0 | 12.6 | 13.1 | 13.4 | 13.3 | 12.8 | 12.3 | 11.7 | 11.1 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 10.0 | 10.4 | 11.3 | 11.8 | 11.7 | 12.0 | 10.9 | 10.1 | 10.5 | 9.0 | 9.7 | 8.4 |
| Precipitation (mm) | 2 | 0 | 1 | 0 | 4 | 34 | 152 | 128 | 79 | 121 | 38 | 30 |
| Sunny days | 28 | 28 | 29 | 30 | 28 | 26 | 2 | 3 | 7 | 11 | 20 | 22 |
| Rainy days | 3 | 0 | 2 | 0 | 3 | 4 | 29 | 28 | 23 | 20 | 10 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Simón is at