Average annual temperature is 24.7 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: 16.4 °C
Number of sunny days: 39 days
Number of rainy days: 326 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) | 33.0 | 32.8 | 31.9 | 31.6 | 30.8 | 30.4 | 32.6 | 34.6 | 36.2 | 36.4 | 33.2 | 32.3 |
| Average daytime temperature (°C) | 30.0 | 30.2 | 28.4 | 28.8 | 28.8 | 28.5 | 29.8 | 31.5 | 32.5 | 32.3 | 30.5 | 29.8 |
| Average temperature (°C) | 24.7 | 24.7 | 23.8 | 24.0 | 24.2 | 23.4 | 24.1 | 25.1 | 25.9 | 26.2 | 25.4 | 25.0 |
| Average night temperature (°C) | 20.5 | 21.0 | 20.8 | 21.0 | 21.2 | 19.9 | 20.2 | 20.7 | 21.3 | 22.1 | 21.9 | 21.8 |
| Absolute minimum temperature (°C) | 18.5 | 19.3 | 19.2 | 19.4 | 18.9 | 16.4 | 18.8 | 19.4 | 20.0 | 20.8 | 20.5 | 20.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.4 | 12.3 | 12.1 | 12.0 | 11.8 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.5 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 9.2 | 9.3 | 6.8 | 7.8 | 9.2 | 9.6 | 10.2 | 10.3 | 10.5 | 9.7 | 9.7 | 8.9 |
| Precipitation (mm) | 110 | 104 | 295 | 209 | 190 | 97 | 61 | 65 | 81 | 122 | 144 | 222 |
| Sunny days | 1 | 0 | 0 | 0 | 1 | 7 | 5 | 10 | 10 | 3 | 2 | 0 |
| Rainy days | 30 | 28 | 31 | 30 | 30 | 23 | 26 | 21 | 20 | 28 | 28 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in La Unión is at