Average annual temperature is 27.3 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: 17.7 °C
Number of sunny days: 197 days
Number of rainy days: 168 days
Look at detailed online map of La Unión de los Hernández
* Weather data for La Unión de los 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) | 34.9 | 35.8 | 36.3 | 36.8 | 37.9 | 37.5 | 35.2 | 34.7 | 34.3 | 34.3 | 34.2 | 35.2 |
| Average daytime temperature (°C) | 33.3 | 33.8 | 33.8 | 34.5 | 36.3 | 34.7 | 33.4 | 32.8 | 32.9 | 31.6 | 32.5 | 32.7 |
| Average temperature (°C) | 25.7 | 26.4 | 26.7 | 27.8 | 29.6 | 29.0 | 27.7 | 27.4 | 27.4 | 26.4 | 26.9 | 26.2 |
| Average night temperature (°C) | 19.9 | 20.5 | 20.9 | 22.1 | 24.1 | 24.6 | 23.7 | 23.7 | 23.6 | 23.2 | 22.9 | 21.4 |
| Absolute minimum temperature (°C) | 18.3 | 18.4 | 19.5 | 19.8 | 20.7 | 22.4 | 22.9 | 22.1 | 22.5 | 21.7 | 20.8 | 17.7 |
| 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) | 11.3 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.5 | 10.7 | 11.1 | 11.3 | 11.3 | 10.9 | 10.1 | 9.7 | 9.9 | 9.2 | 10.0 | 9.9 |
| Precipitation (mm) | 0 | 3 | 0 | 1 | 26 | 211 | 224 | 303 | 231 | 354 | 64 | 11 |
| Sunny days | 29 | 24 | 30 | 29 | 22 | 8 | 4 | 7 | 2 | 5 | 16 | 21 |
| Rainy days | 2 | 4 | 1 | 1 | 9 | 22 | 27 | 24 | 28 | 26 | 14 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in La Unión de los Hernández is at