Average annual temperature is 18.6 °C
Absolute maximum temperature: 29.6 °C
Absolute minimum temperature: 7.0 °C
Number of sunny days: 53 days
Number of rainy days: 312 days
Look at detailed online map of Santa Herminia
* Weather data for Santa Herminia 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) | 26.3 | 27.3 | 29.6 | 29.1 | 28.8 | 28.4 | 25.2 | 27.4 | 25.3 | 29.1 | 28.2 | 26.5 |
| Average daytime temperature (°C) | 20.3 | 20.5 | 22.9 | 23.9 | 24.3 | 25.1 | 23.5 | 23.7 | 24.4 | 22.5 | 20.1 | 18.1 |
| Average temperature (°C) | 15.8 | 16.0 | 18.1 | 19.3 | 20.1 | 21.3 | 20.3 | 20.3 | 20.4 | 19.1 | 16.9 | 15.1 |
| Average night temperature (°C) | 12.3 | 12.4 | 14.1 | 15.8 | 16.2 | 17.6 | 17.4 | 17.3 | 16.9 | 16.3 | 14.6 | 12.8 |
| Absolute minimum temperature (°C) | 7.0 | 7.8 | 10.7 | 11.7 | 12.8 | 15.3 | 16.1 | 15.6 | 15.5 | 11.9 | 12.2 | 7.9 |
| 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 | 11.5 | 12.0 | 12.6 | 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) | 9.2 | 9.0 | 10.2 | 10.6 | 11.2 | 11.7 | 10.7 | 10.8 | 11.1 | 9.5 | 7.2 | 6.9 |
| Precipitation (mm) | 122 | 131 | 136 | 245 | 105 | 221 | 131 | 149 | 27 | 195 | 165 | 269 |
| Sunny days | 4 | 10 | 8 | 4 | 5 | 7 | 1 | 3 | 3 | 2 | 1 | 5 |
| Rainy days | 27 | 18 | 23 | 26 | 26 | 23 | 30 | 28 | 27 | 29 | 29 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santa Herminia is at