Average annual temperature is 23.8 °C
Absolute maximum temperature: 43.8 °C
Absolute minimum temperature: 3.7 °C
Number of sunny days: 209 days
Number of rainy days: 156 days
Look at detailed online map of La Unión Sur
* Weather data for La Unión Sur 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) | 41.4 | 39.0 | 34.8 | 33.8 | 29.0 | 29.4 | 30.5 | 34.9 | 40.3 | 43.8 | 43.1 | 40.9 |
| Average daytime temperature (°C) | 35.2 | 32.6 | 31.9 | 26.6 | 23.7 | 22.8 | 22.8 | 27.9 | 28.6 | 32.1 | 33.0 | 33.4 |
| Average temperature (°C) | 29.2 | 27.2 | 26.9 | 21.6 | 19.2 | 18.4 | 18.2 | 21.5 | 22.2 | 25.7 | 27.3 | 28.2 |
| Average night temperature (°C) | 23.7 | 22.3 | 22.6 | 17.6 | 15.7 | 15.3 | 14.6 | 16.5 | 17.6 | 20.3 | 22.6 | 23.9 |
| Absolute minimum temperature (°C) | 16.1 | 13.5 | 19.9 | 12.2 | 9.3 | 3.9 | 3.7 | 9.0 | 8.8 | 12.0 | 11.6 | 18.9 |
| 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 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.5 | 13.0 | 12.2 | 11.5 | 10.9 | 10.5 | 10.7 | 11.2 | 11.9 | 12.7 | 13.4 | 13.7 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 11.3 | 10.9 | 10.0 | 8.4 | 6.5 | 7.1 | 7.6 | 9.2 | 9.1 | 9.4 | 9.7 | 10.1 |
| Precipitation (mm) | 93 | 68 | 168 | 89 | 84 | 19 | 38 | 17 | 40 | 59 | 150 | 191 |
| Sunny days | 19 | 14 | 13 | 18 | 16 | 18 | 23 | 29 | 22 | 14 | 10 | 13 |
| Rainy days | 12 | 14 | 18 | 12 | 15 | 12 | 8 | 2 | 8 | 17 | 20 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in La Unión Sur is at