Average annual temperature is 18.7 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: 4.0 °C
Number of sunny days: 272 days
Number of rainy days: 93 days
Look at detailed online map of La Unión
* Weather data for La Unión Spain is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 21.1 | 18.5 | 24.0 | 27.6 | 26.3 | 28.5 | 34.7 | 32.6 | 28.7 | 28.8 | 24.0 | 21.7 |
| Average daytime temperature (°C) | 15.4 | 14.2 | 18.8 | 20.6 | 21.6 | 25.5 | 30.1 | 30.1 | 26.9 | 24.8 | 20.7 | 17.3 |
| Average temperature (°C) | 11.8 | 11.5 | 14.9 | 17.3 | 18.6 | 22.7 | 27.0 | 26.7 | 23.8 | 21.1 | 15.9 | 12.5 |
| Average night temperature (°C) | 8.5 | 8.9 | 11.0 | 14.2 | 15.7 | 19.8 | 24.0 | 23.4 | 20.8 | 17.7 | 12.4 | 8.4 |
| Absolute minimum temperature (°C) | 5.0 | 4.0 | 5.5 | 10.2 | 12.5 | 16.2 | 21.3 | 20.2 | 18.3 | 12.1 | 8.7 | 4.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.3 | 8.7 | 10.6 | 11.5 | 10.9 | 12.5 | 12.9 | 12.0 | 10.4 | 9.0 | 8.8 | 7.5 |
| Precipitation (mm) | 10 | 15 | 1 | 0 | 118 | 13 | 1 | 19 | 72 | 7 | 0 | 5 |
| Sunny days | 25 | 11 | 28 | 27 | 15 | 23 | 25 | 27 | 15 | 22 | 29 | 25 |
| Rainy days | 6 | 17 | 3 | 3 | 16 | 7 | 6 | 4 | 15 | 9 | 1 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit La Unión during the most sunny months:
The largest precipitation sum in La Unión is at