Average annual temperature is 26.7 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: 21.1 °C
Number of sunny days: 18 days
Number of rainy days: 347 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) | 33.2 | 34.1 | 34.5 | 34.0 | 34.2 | 32.4 | 34.2 | 33.7 | 32.7 | 32.4 | 32.9 | 33.3 |
| Average daytime temperature (°C) | 30.9 | 33.0 | 31.8 | 31.4 | 31.0 | 30.5 | 31.3 | 31.4 | 31.2 | 30.7 | 30.8 | 31.6 |
| Average temperature (°C) | 25.8 | 26.9 | 26.8 | 26.8 | 27.1 | 26.6 | 26.8 | 26.9 | 26.8 | 26.4 | 26.4 | 27.4 |
| Average night temperature (°C) | 22.3 | 23.2 | 23.4 | 23.6 | 24.4 | 23.8 | 23.7 | 23.8 | 23.8 | 23.7 | 23.6 | 24.4 |
| Absolute minimum temperature (°C) | 21.4 | 21.1 | 22.2 | 22.3 | 22.8 | 23.2 | 22.9 | 22.7 | 23.0 | 23.1 | 22.6 | 23.0 |
| 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 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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) | 10.3 | 10.7 | 10.4 | 10.0 | 8.6 | 8.4 | 8.5 | 8.9 | 8.0 | 8.1 | 8.7 | 10.2 |
| Precipitation (mm) | 68 | 25 | 87 | 137 | 284 | 311 | 348 | 284 | 255 | 351 | 238 | 76 |
| Sunny days | 5 | 9 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 |
| Rainy days | 26 | 19 | 31 | 29 | 31 | 30 | 30 | 31 | 30 | 31 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in La Unión is at