Average annual temperature is 17.8 °C
Absolute maximum temperature: 30.4 °C
Absolute minimum temperature: 5.2 °C
Number of sunny days: 108 days
Number of rainy days: 257 days
Look at detailed online map of Colonia la Unión
* Weather data for Colonia la Unión 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) | 26.7 | 28.0 | 30.4 | 29.8 | 29.3 | 30.2 | 25.8 | 28.8 | 26.6 | 28.5 | 29.4 | 26.2 |
| Average daytime temperature (°C) | 21.5 | 22.0 | 24.7 | 25.5 | 25.8 | 26.4 | 23.6 | 23.8 | 24.8 | 23.1 | 21.7 | 19.3 |
| Average temperature (°C) | 15.1 | 15.6 | 17.8 | 18.8 | 19.2 | 20.5 | 18.7 | 18.7 | 19.1 | 18.4 | 16.8 | 14.6 |
| Average night temperature (°C) | 10.2 | 10.7 | 12.6 | 14.2 | 13.8 | 15.3 | 14.8 | 14.8 | 14.4 | 14.8 | 13.4 | 11.3 |
| Absolute minimum temperature (°C) | 5.2 | 6.8 | 8.9 | 10.5 | 10.9 | 12.3 | 13.0 | 12.4 | 12.3 | 11.6 | 10.8 | 5.3 |
| 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 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 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 | 11.0 |
| Sunshine mean duration (h) | 9.9 | 9.9 | 10.5 | 11.0 | 11.5 | 11.7 | 11.4 | 10.5 | 11.0 | 9.4 | 8.1 | 7.5 |
| Precipitation (mm) | 16 | 23 | 68 | 103 | 75 | 73 | 126 | 103 | 17 | 81 | 65 | 81 |
| Sunny days | 18 | 14 | 12 | 5 | 7 | 14 | 1 | 4 | 11 | 7 | 7 | 8 |
| Rainy days | 13 | 14 | 19 | 25 | 24 | 16 | 30 | 27 | 19 | 24 | 23 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Colonia la Unión is at