Average annual temperature is 21.7 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 7.3 °C
Number of sunny days: 280 days
Number of rainy days: 85 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) | 29.4 | 27.6 | 32.6 | 32.7 | 34.5 | 39.0 | 36.1 | 36.6 | 39.8 | 34.8 | 32.5 | 29.0 |
| Average daytime temperature (°C) | 23.4 | 22.9 | 26.8 | 28.2 | 27.3 | 31.7 | 33.0 | 32.1 | 33.0 | 28.6 | 27.8 | 25.6 |
| Average temperature (°C) | 16.7 | 16.0 | 19.3 | 20.3 | 20.2 | 24.5 | 26.6 | 26.4 | 26.5 | 22.9 | 21.6 | 19.1 |
| Average night temperature (°C) | 11.8 | 11.4 | 13.7 | 14.3 | 14.4 | 18.9 | 22.0 | 22.4 | 22.2 | 18.7 | 17.3 | 14.5 |
| Absolute minimum temperature (°C) | 7.8 | 7.3 | 8.6 | 9.3 | 10.9 | 11.7 | 19.4 | 20.6 | 19.2 | 13.6 | 11.9 | 10.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 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) | 10.9 | 11.4 | 12.0 | 12.7 | 13.3 | 13.6 | 13.4 | 12.9 | 12.3 | 11.6 | 11.0 | 10.7 |
| 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 | 9.4 | 10.9 | 11.5 | 11.7 | 12.7 | 12.3 | 10.9 | 11.2 | 9.3 | 9.3 | 9.0 |
| Precipitation (mm) | 16 | 27 | 1 | 0 | 0 | 0 | 40 | 92 | 31 | 208 | 6 | 1 |
| Sunny days | 27 | 25 | 29 | 29 | 31 | 30 | 18 | 3 | 18 | 14 | 27 | 29 |
| Rainy days | 4 | 3 | 2 | 1 | 0 | 0 | 13 | 28 | 12 | 17 | 3 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Simón is at