Average annual temperature is 20.2 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: 4.2 °C
Number of sunny days: 246 days
Number of rainy days: 119 days
Look at detailed online map of San Martín de Hernández
* Weather data for San Martín de Hernández 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) | 27.7 | 31.7 | 33.3 | 33.7 | 34.9 | 37.9 | 32.9 | 31.6 | 32.6 | 31.9 | 30.7 | 26.4 |
| Average daytime temperature (°C) | 25.1 | 27.4 | 30.1 | 31.4 | 31.8 | 34.8 | 29.9 | 28.6 | 29.9 | 27.6 | 27.1 | 23.1 |
| Average temperature (°C) | 15.7 | 17.9 | 20.6 | 22.4 | 23.3 | 25.7 | 21.7 | 20.9 | 21.3 | 19.7 | 18.1 | 14.9 |
| Average night temperature (°C) | 7.4 | 9.3 | 11.4 | 13.2 | 14.7 | 16.9 | 15.3 | 15.2 | 14.2 | 13.9 | 10.8 | 9.0 |
| Absolute minimum temperature (°C) | 4.9 | 6.5 | 6.5 | 10.7 | 11.5 | 15.0 | 11.7 | 13.1 | 11.8 | 10.3 | 6.2 | 4.2 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 10.1 | 10.5 | 11.2 | 11.6 | 11.6 | 12.2 | 11.5 | 10.4 | 11.2 | 9.5 | 9.8 | 8.0 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 7 | 18 | 93 | 111 | 54 | 80 | 21 | 39 |
| Sunny days | 31 | 27 | 28 | 29 | 23 | 25 | 7 | 7 | 18 | 11 | 22 | 18 |
| Rainy days | 0 | 1 | 3 | 1 | 8 | 5 | 24 | 24 | 12 | 20 | 8 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Martín de Hernández is at