Average annual temperature is 25.0 °C
Absolute maximum temperature: 45.0 °C
Absolute minimum temperature: 5.4 °C
Number of sunny days: 225 days
Number of rainy days: 140 days
Look at detailed online map of La Unión
* Weather data for La Unión Argentina is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 43.5 | 40.1 | 37.5 | 33.3 | 30.4 | 31.4 | 32.2 | 37.5 | 39.1 | 44.6 | 45.0 | 41.4 |
| Average daytime temperature (°C) | 37.1 | 33.8 | 33.9 | 27.3 | 24.9 | 24.4 | 24.1 | 29.0 | 30.9 | 34.1 | 35.2 | 34.0 |
| Average temperature (°C) | 30.7 | 28.1 | 28.6 | 22.5 | 20.3 | 19.0 | 18.8 | 22.5 | 24.3 | 27.4 | 29.1 | 28.8 |
| Average night temperature (°C) | 24.7 | 22.9 | 23.7 | 18.7 | 16.4 | 14.8 | 14.4 | 16.5 | 18.4 | 21.5 | 24.0 | 24.3 |
| Absolute minimum temperature (°C) | 19.8 | 16.1 | 20.3 | 14.2 | 11.6 | 5.4 | 6.7 | 10.6 | 9.6 | 14.9 | 14.6 | 17.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.4 | 12.9 | 12.2 | 11.5 | 11.0 | 10.7 | 10.8 | 11.3 | 12.0 | 12.6 | 13.3 | 13.6 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 11.4 | 11.1 | 10.4 | 7.4 | 6.4 | 7.4 | 7.5 | 10.0 | 9.6 | 9.2 | 9.1 | 9.8 |
| Precipitation (mm) | 85 | 80 | 196 | 80 | 25 | 8 | 2 | 0 | 14 | 23 | 83 | 168 |
| Sunny days | 16 | 10 | 15 | 16 | 16 | 20 | 26 | 31 | 27 | 23 | 14 | 11 |
| Rainy days | 15 | 18 | 16 | 14 | 15 | 10 | 5 | 0 | 3 | 8 | 16 | 20 |
| 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