Average annual temperature is 26.8 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: 18.7 °C
Number of sunny days: 81 days
Number of rainy days: 284 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) | 32.5 | 34.3 | 33.2 | 32.3 | 34.9 | 34.9 | 35.7 | 37.6 | 37.6 | 34.4 | 33.7 | 33.9 |
| Average daytime temperature (°C) | 29.7 | 31.7 | 30.1 | 29.9 | 32.0 | 32.1 | 33.3 | 34.3 | 34.6 | 31.0 | 30.7 | 31.2 |
| Average temperature (°C) | 24.9 | 26.3 | 25.4 | 25.6 | 27.1 | 27.1 | 28.1 | 28.5 | 28.8 | 26.6 | 26.3 | 26.5 |
| Average night temperature (°C) | 21.0 | 21.7 | 21.7 | 22.0 | 23.0 | 22.8 | 23.6 | 23.3 | 23.5 | 23.0 | 22.5 | 22.5 |
| Absolute minimum temperature (°C) | 19.9 | 18.7 | 20.6 | 20.9 | 21.2 | 21.6 | 21.5 | 21.2 | 22.2 | 21.9 | 20.9 | 21.1 |
| 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) | 9.9 | 9.8 | 8.7 | 8.7 | 10.0 | 10.8 | 11.0 | 10.6 | 10.8 | 8.9 | 9.8 | 9.7 |
| Precipitation (mm) | 137 | 60 | 194 | 176 | 120 | 120 | 94 | 168 | 153 | 370 | 193 | 247 |
| Sunny days | 6 | 10 | 3 | 4 | 11 | 13 | 19 | 7 | 3 | 1 | 4 | 0 |
| Rainy days | 25 | 18 | 28 | 26 | 20 | 17 | 12 | 24 | 27 | 30 | 26 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in La Unión is at