Average annual temperature is 19.2 °C
Absolute maximum temperature: 27.7 °C
Absolute minimum temperature: 11.3 °C
Number of sunny days: 269 days
Number of rainy days: 96 days
Look at detailed online map of La Unión
* Weather data for 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) | 26.8 | 27.2 | 27.0 | 27.7 | 24.9 | 23.7 | 23.1 | 24.4 | 23.6 | 26.0 | 24.9 | 25.8 |
| Average daytime temperature (°C) | 24.9 | 25.2 | 25.2 | 25.8 | 22.4 | 21.6 | 21.1 | 21.8 | 20.8 | 23.2 | 22.7 | 23.7 |
| Average temperature (°C) | 21.1 | 21.7 | 21.8 | 21.3 | 18.3 | 17.4 | 17.1 | 17.6 | 17.1 | 19.0 | 18.5 | 19.6 |
| Average night temperature (°C) | 18.0 | 18.9 | 19.3 | 18.3 | 15.5 | 14.7 | 14.2 | 14.5 | 14.2 | 15.9 | 15.5 | 16.7 |
| Absolute minimum temperature (°C) | 16.1 | 17.8 | 18.2 | 16.5 | 13.5 | 12.6 | 12.6 | 11.3 | 11.6 | 13.9 | 13.9 | 15.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.7 | 12.5 | 12.2 | 11.8 | 11.6 | 11.4 | 11.5 | 11.7 | 12.0 | 12.4 | 12.7 | 12.8 |
| 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) | 10.8 | 10.0 | 9.8 | 10.2 | 10.1 | 10.4 | 10.6 | 10.7 | 11.0 | 11.0 | 11.3 | 11.2 |
| Precipitation (mm) | 22 | 28 | 38 | 12 | 3 | 0 | 0 | 0 | 7 | 8 | 1 | 11 |
| Sunny days | 20 | 13 | 13 | 20 | 21 | 29 | 31 | 29 | 26 | 24 | 24 | 19 |
| Rainy days | 11 | 15 | 18 | 10 | 10 | 1 | 0 | 2 | 4 | 7 | 6 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in La Unión is at