Average annual temperature is 22.8 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: 13.4 °C
Number of sunny days: 62 days
Number of rainy days: 303 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) | 28.1 | 29.6 | 29.5 | 31.0 | 31.1 | 28.9 | 30.0 | 31.8 | 32.4 | 32.0 | 29.6 | 30.2 |
| Average daytime temperature (°C) | 26.1 | 27.2 | 26.6 | 27.9 | 28.5 | 26.6 | 27.5 | 28.9 | 30.0 | 29.9 | 27.9 | 28.4 |
| Average temperature (°C) | 20.7 | 21.4 | 21.6 | 22.5 | 23.7 | 22.6 | 23.1 | 23.8 | 24.5 | 24.2 | 23.0 | 22.9 |
| Average night temperature (°C) | 16.5 | 17.0 | 18.1 | 18.6 | 20.2 | 19.7 | 19.6 | 19.6 | 20.1 | 20.0 | 19.3 | 18.5 |
| Absolute minimum temperature (°C) | 13.4 | 13.7 | 16.6 | 17.0 | 18.2 | 18.6 | 18.5 | 17.8 | 19.0 | 18.5 | 17.5 | 16.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 12.0 | 11.8 | 11.7 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.2 | 10.5 | 9.4 | 9.7 | 9.2 | 10.4 | 10.9 | 10.9 | 11.0 | 9.6 | 10.2 | 10.5 |
| Precipitation (mm) | 51 | 27 | 112 | 54 | 96 | 76 | 49 | 47 | 27 | 85 | 88 | 42 |
| Sunny days | 6 | 9 | 6 | 4 | 6 | 2 | 2 | 6 | 3 | 4 | 5 | 9 |
| Rainy days | 25 | 19 | 25 | 26 | 25 | 28 | 29 | 25 | 27 | 27 | 25 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in La Unión is at