Average annual temperature is 20.3 °C
Absolute maximum temperature: 27.8 °C
Absolute minimum temperature: 14.2 °C
Number of sunny days: 1 day
Number of rainy days: 364 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) | 24.3 | 24.2 | 23.9 | 24.6 | 27.8 | 26.0 | 25.9 | 26.1 | 25.9 | 24.9 | 27.7 | 24.4 |
| Average daytime temperature (°C) | 22.0 | 23.1 | 22.2 | 22.9 | 23.9 | 23.6 | 23.9 | 23.6 | 23.6 | 22.9 | 22.6 | 22.9 |
| Average temperature (°C) | 19.1 | 20.1 | 19.8 | 20.2 | 21.1 | 20.7 | 20.7 | 20.6 | 20.7 | 20.3 | 20.3 | 20.6 |
| Average night temperature (°C) | 16.5 | 17.5 | 17.7 | 17.7 | 18.8 | 18.5 | 18.3 | 18.2 | 18.7 | 18.4 | 18.6 | 18.8 |
| Absolute minimum temperature (°C) | 14.2 | 15.9 | 14.8 | 15.1 | 16.0 | 16.1 | 16.2 | 16.6 | 16.9 | 15.4 | 16.4 | 17.2 |
| 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) | 11.8 | 11.9 | 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) | 7.3 | 7.6 | 6.3 | 6.8 | 6.4 | 7.4 | 7.3 | 7.7 | 7.5 | 5.5 | 6.5 | 6.2 |
| Precipitation (mm) | 465 | 261 | 360 | 171 | 226 | 264 | 387 | 452 | 347 | 459 | 581 | 588 |
| Sunny days | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 31 | 29 | 31 | 31 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in La Unión is at