Average annual temperature is 22.9 °C
Absolute maximum temperature: 29.7 °C
Absolute minimum temperature: 19.1 °C
Number of rainy days: 365 days
Look at detailed online map of La Unión
* Weather data for La Unión Colombia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 26.1 | 26.7 | 26.8 | 27.3 | 28.1 | 27.7 | 29.1 | 28.3 | 28.3 | 28.0 | 29.7 | 27.7 |
| Average daytime temperature (°C) | 24.4 | 25.3 | 25.0 | 25.8 | 25.9 | 25.6 | 26.5 | 26.3 | 26.5 | 26.0 | 26.0 | 26.0 |
| Average temperature (°C) | 21.6 | 22.3 | 22.3 | 22.8 | 23.2 | 23.1 | 23.5 | 23.4 | 23.4 | 23.1 | 23.0 | 23.3 |
| Average night temperature (°C) | 19.7 | 20.2 | 20.2 | 20.6 | 21.2 | 21.1 | 21.2 | 21.1 | 21.2 | 21.2 | 21.1 | 21.5 |
| Absolute minimum temperature (°C) | 19.1 | 19.3 | 19.4 | 19.2 | 20.3 | 20.4 | 20.5 | 20.4 | 20.1 | 20.2 | 20.3 | 20.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.9 | 12.0 | 12.1 | 12.2 | 12.4 | 12.4 | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 7.2 | 6.9 | 5.1 | 6.4 | 5.3 | 6.1 | 7.3 | 7.2 | 6.6 | 5.0 | 5.9 | 5.8 |
| Precipitation (mm) | 615 | 616 | 833 | 832 | 1037 | 1233 | 932 | 1093 | 857 | 1332 | 1212 | 874 |
| Sunny days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in La Unión is at