Average annual temperature is 20.4 °C
Absolute maximum temperature: 33.0 °C
Absolute minimum temperature: 8.9 °C
Number of sunny days: 73 days
Number of rainy days: 292 days
Look at detailed online map of La Unión de los Reyes
* Weather data for La Unión de los Reyes 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) | 26.8 | 30.4 | 31.5 | 31.7 | 31.4 | 33.0 | 29.0 | 29.2 | 27.5 | 28.6 | 27.4 | 27.6 |
| Average daytime temperature (°C) | 22.7 | 23.9 | 26.8 | 26.8 | 27.6 | 28.6 | 26.5 | 26.5 | 26.5 | 24.7 | 22.3 | 20.2 |
| Average temperature (°C) | 17.9 | 18.2 | 20.9 | 21.6 | 22.3 | 23.6 | 21.8 | 21.7 | 21.7 | 20.5 | 18.4 | 16.7 |
| Average night temperature (°C) | 14.2 | 13.9 | 16.3 | 17.6 | 18.2 | 19.8 | 18.5 | 18.4 | 18.3 | 17.7 | 15.7 | 14.1 |
| Absolute minimum temperature (°C) | 8.9 | 8.9 | 11.7 | 12.9 | 13.9 | 17.6 | 17.0 | 17.0 | 17.1 | 13.2 | 12.8 | 9.8 |
| 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) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.3 | 13.1 | 12.8 | 12.2 | 11.7 | 11.2 | 11.0 |
| 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 | 10.0 |
| Sunshine mean duration (h) | 9.1 | 9.0 | 9.6 | 9.9 | 10.7 | 10.5 | 10.7 | 10.6 | 11.1 | 9.2 | 8.1 | 6.7 |
| Precipitation (mm) | 46 | 35 | 117 | 163 | 137 | 152 | 192 | 253 | 121 | 167 | 138 | 154 |
| Sunny days | 13 | 11 | 16 | 7 | 8 | 12 | 0 | 0 | 0 | 0 | 2 | 4 |
| Rainy days | 18 | 17 | 15 | 23 | 23 | 18 | 31 | 31 | 30 | 31 | 28 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in La Unión de los Reyes is at