Average annual temperature is 21.9 °C
Absolute maximum temperature: 42.9 °C
Absolute minimum temperature: 1.4 °C
Number of sunny days: 268 days
Number of rainy days: 97 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) | 30.3 | 34.7 | 36.5 | 37.4 | 38.2 | 42.9 | 38.6 | 39.7 | 37.7 | 32.3 | 33.5 | 28.1 |
| Average daytime temperature (°C) | 24.5 | 25.3 | 29.1 | 29.9 | 30.7 | 37.0 | 35.0 | 35.0 | 33.9 | 25.5 | 21.0 | 20.4 |
| Average temperature (°C) | 16.6 | 16.8 | 20.2 | 21.7 | 23.8 | 29.4 | 28.2 | 28.5 | 27.2 | 20.1 | 15.2 | 14.4 |
| Average night temperature (°C) | 10.5 | 10.2 | 13.4 | 15.4 | 17.8 | 21.7 | 21.5 | 21.8 | 20.5 | 16.1 | 11.4 | 9.9 |
| Absolute minimum temperature (°C) | 3.1 | 2.0 | 1.4 | 10.4 | 15.4 | 17.7 | 19.5 | 20.2 | 17.3 | 4.5 | 4.9 | 4.4 |
| 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) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.6 | 13.0 | 12.3 | 11.6 | 10.9 | 10.6 |
| 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 | 9.8 | 9.5 | 9.9 | 11.0 | 12.5 | 12.1 | 11.8 | 11.2 | 7.9 | 6.9 | 7.8 |
| Precipitation (mm) | 2 | 0 | 16 | 9 | 35 | 1 | 18 | 7 | 12 | 126 | 70 | 2 |
| Sunny days | 30 | 27 | 24 | 19 | 13 | 28 | 22 | 20 | 23 | 15 | 20 | 27 |
| Rainy days | 1 | 1 | 7 | 11 | 18 | 2 | 9 | 11 | 7 | 16 | 10 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Simón is at