Average annual temperature is 13.6 °C
Absolute maximum temperature: 25.9 °C
Absolute minimum temperature: 1.8 °C
Number of sunny days: 149 days
Number of rainy days: 215 days
Number of snow days: 1 day
Look at detailed online map of Provincia de La Unión
* Weather data for Provincia de La Unión Peru is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 22.5 | 22.8 | 22.5 | 22.8 | 22.2 | 21.8 | 22.8 | 24.2 | 24.8 | 25.9 | 24.7 | 25.7 |
| Average daytime temperature (°C) | 19.7 | 19.7 | 19.6 | 19.7 | 18.9 | 19.9 | 21.1 | 21.0 | 22.4 | 22.5 | 21.6 | 22.9 |
| Average temperature (°C) | 13.1 | 13.5 | 13.5 | 13.1 | 12.5 | 12.8 | 13.3 | 13.0 | 14.1 | 14.5 | 14.0 | 15.3 |
| Average night temperature (°C) | 8.5 | 9.6 | 10.0 | 7.5 | 7.0 | 7.1 | 6.8 | 6.4 | 7.0 | 8.5 | 8.5 | 9.7 |
| Absolute minimum temperature (°C) | 6.3 | 5.8 | 6.6 | 3.2 | 4.2 | 5.3 | 2.2 | 1.8 | 3.9 | 4.0 | 4.2 | 7.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 |
| Daylight mean duration (h) | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 | 11.3 | 11.6 | 12.0 | 12.4 | 12.8 | 13.0 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 10.3 | 10.2 | 10.0 | 10.4 | 10.2 | 10.4 | 10.5 | 10.8 | 11.1 | 10.9 | 10.9 | 10.6 |
| Precipitation (mm) | 216 | 212 | 207 | 48 | 41 | 0 | 1 | 5 | 17 | 78 | 81 | 102 |
| Sunny days | 1 | 0 | 0 | 10 | 14 | 30 | 28 | 20 | 20 | 11 | 9 | 6 |
| Rainy days | 30 | 28 | 31 | 20 | 17 | 0 | 3 | 11 | 10 | 20 | 20 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The largest precipitation sum in Provincia de La Unión is at