Average annual temperature is 20.6 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: 6.9 °C
Number of sunny days: 172 days
Number of rainy days: 193 days
Look at detailed online map of San Simón Zahuatlán
* Weather data for San Simón Zahuatlán 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) | 29.2 | 32.1 | 32.7 | 33.7 | 35.1 | 37.3 | 29.3 | 27.4 | 28.8 | 28.8 | 29.2 | 27.5 |
| Average daytime temperature (°C) | 26.6 | 28.5 | 30.3 | 31.4 | 30.5 | 31.4 | 26.5 | 25.7 | 26.0 | 26.4 | 26.6 | 25.3 |
| Average temperature (°C) | 18.8 | 20.1 | 21.7 | 23.0 | 22.7 | 23.7 | 20.3 | 19.8 | 20.1 | 19.9 | 19.5 | 17.9 |
| Average night temperature (°C) | 11.8 | 12.8 | 14.6 | 15.9 | 16.6 | 17.4 | 15.4 | 15.4 | 15.1 | 14.9 | 13.7 | 11.4 |
| Absolute minimum temperature (°C) | 9.1 | 10.6 | 12.4 | 13.8 | 14.8 | 15.0 | 14.1 | 13.6 | 13.8 | 12.4 | 11.7 | 6.9 |
| 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 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.6 | 12.0 | 12.5 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.4 | 10.7 | 11.1 | 11.3 | 11.0 | 11.4 | 10.6 | 10.5 | 10.8 | 10.3 | 10.0 | 9.7 |
| Precipitation (mm) | 0 | 0 | 3 | 15 | 73 | 57 | 285 | 280 | 227 | 95 | 50 | 5 |
| Sunny days | 29 | 28 | 26 | 17 | 7 | 13 | 2 | 1 | 5 | 7 | 14 | 23 |
| Rainy days | 2 | 0 | 5 | 13 | 24 | 17 | 29 | 30 | 25 | 24 | 16 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Simón Zahuatlán is at