Average annual temperature is 26.4 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: 20.1 °C
Number of sunny days: 45 days
Number of rainy days: 320 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) | 32.4 | 33.1 | 34.8 | 34.7 | 35.7 | 32.2 | 32.5 | 34.6 | 35.2 | 35.4 | 33.5 | 33.8 |
| Average daytime temperature (°C) | 30.4 | 31.6 | 31.8 | 31.4 | 31.8 | 29.9 | 30.4 | 31.9 | 33.0 | 32.9 | 31.8 | 31.6 |
| Average temperature (°C) | 25.7 | 26.6 | 26.8 | 26.1 | 26.5 | 25.2 | 25.4 | 26.3 | 26.8 | 27.2 | 26.9 | 26.9 |
| Average night temperature (°C) | 22.1 | 22.5 | 23.1 | 22.5 | 23.1 | 22.2 | 22.0 | 22.6 | 23.1 | 23.5 | 23.6 | 23.5 |
| Absolute minimum temperature (°C) | 20.4 | 20.1 | 21.3 | 20.4 | 22.1 | 20.8 | 21.2 | 21.3 | 21.8 | 21.8 | 21.9 | 21.7 |
| 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) | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 | 12.5 | 12.3 | 12.2 | 12.0 | 11.8 | 11.8 |
| 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) | 10.5 | 10.5 | 8.8 | 9.2 | 9.6 | 9.8 | 10.1 | 10.6 | 10.1 | 9.9 | 10.6 | 10.5 |
| Precipitation (mm) | 74 | 29 | 80 | 234 | 210 | 221 | 290 | 251 | 185 | 140 | 92 | 77 |
| Sunny days | 7 | 14 | 7 | 3 | 3 | 0 | 0 | 1 | 4 | 4 | 2 | 0 |
| Rainy days | 24 | 14 | 24 | 27 | 28 | 30 | 31 | 30 | 26 | 27 | 28 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in La Unión is at