Average annual temperature is 26.6 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: 18.6 °C
Number of sunny days: 67 days
Number of rainy days: 298 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) | 32.0 | 33.7 | 34.8 | 34.0 | 32.0 | 30.9 | 31.0 | 33.2 | 33.3 | 34.8 | 33.7 | 34.4 |
| Average daytime temperature (°C) | 30.9 | 32.1 | 31.6 | 30.9 | 29.9 | 28.9 | 29.3 | 30.7 | 31.4 | 32.0 | 31.7 | 32.0 |
| Average temperature (°C) | 26.1 | 26.9 | 26.9 | 26.4 | 26.1 | 25.2 | 25.5 | 26.4 | 27.0 | 27.6 | 27.4 | 27.5 |
| Average night temperature (°C) | 21.7 | 22.1 | 22.8 | 23.0 | 23.1 | 22.4 | 22.5 | 22.9 | 23.5 | 24.2 | 23.9 | 23.7 |
| Absolute minimum temperature (°C) | 18.6 | 18.7 | 20.8 | 21.7 | 22.5 | 21.3 | 21.2 | 21.8 | 22.3 | 23.2 | 23.0 | 22.6 |
| 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 | 12.3 | 12.4 | 12.3 | 12.3 | 12.1 | 12.0 | 11.9 | 11.9 |
| 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) | 10.5 | 10.8 | 9.5 | 8.7 | 8.4 | 9.3 | 9.5 | 10.5 | 10.2 | 9.5 | 10.0 | 10.0 |
| Precipitation (mm) | 58 | 33 | 64 | 193 | 261 | 242 | 212 | 145 | 146 | 119 | 105 | 87 |
| Sunny days | 13 | 15 | 10 | 0 | 0 | 3 | 0 | 3 | 3 | 3 | 9 | 8 |
| Rainy days | 18 | 13 | 21 | 30 | 31 | 27 | 31 | 28 | 27 | 28 | 21 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in La Unión is at