Average annual temperature is 20.5 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: 1.6 °C
Number of sunny days: 288 days
Number of rainy days: 77 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) | 25.8 | 26.0 | 28.2 | 32.9 | 32.3 | 38.9 | 38.7 | 37.6 | 37.5 | 36.2 | 33.4 | 28.0 |
| Average daytime temperature (°C) | 19.1 | 18.9 | 23.6 | 28.1 | 29.3 | 34.6 | 36.2 | 34.0 | 34.6 | 30.4 | 25.2 | 22.7 |
| Average temperature (°C) | 11.9 | 11.6 | 15.6 | 19.1 | 20.7 | 26.6 | 29.0 | 27.4 | 26.8 | 22.9 | 18.0 | 15.4 |
| Average night temperature (°C) | 7.1 | 6.7 | 9.7 | 11.7 | 13.1 | 19.5 | 22.6 | 21.9 | 20.7 | 17.3 | 13.2 | 10.3 |
| Absolute minimum temperature (°C) | 1.6 | 3.1 | 3.0 | 5.5 | 7.3 | 11.7 | 19.5 | 16.0 | 18.8 | 10.5 | 8.0 | 6.1 |
| 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) | 10.7 | 11.2 | 12.0 | 12.8 | 13.5 | 13.8 | 13.6 | 13.1 | 12.3 | 11.5 | 10.8 | 10.5 |
| 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) | 9.1 | 9.2 | 10.6 | 11.9 | 12.3 | 12.5 | 12.6 | 11.6 | 11.4 | 10.5 | 9.0 | 9.1 |
| Precipitation (mm) | 3 | 11 | 11 | 0 | 0 | 0 | 44 | 80 | 20 | 0 | 10 | 1 |
| Sunny days | 25 | 21 | 27 | 30 | 30 | 30 | 7 | 14 | 24 | 28 | 23 | 29 |
| Rainy days | 6 | 7 | 4 | 0 | 1 | 0 | 24 | 17 | 6 | 3 | 7 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Simón is at