Average annual temperature is 16.5 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -3.3 °C
Number of sunny days: 187 days
Number of rainy days: 178 days
Look at detailed online map of South Union
* Weather data for South Union United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 19.4 | 24.5 | 26.4 | 28.4 | 30.4 | 31.6 | 35.2 | 35.5 | 34.4 | 28.1 | 26.5 | 20.6 |
| Average daytime temperature (°C) | 13.6 | 17.0 | 18.3 | 21.5 | 24.6 | 28.2 | 32.8 | 32.0 | 28.4 | 22.9 | 16.9 | 13.1 |
| Average temperature (°C) | 8.2 | 11.2 | 12.0 | 15.2 | 18.7 | 22.2 | 26.4 | 25.8 | 22.2 | 16.9 | 11.1 | 7.8 |
| Average night temperature (°C) | 4.0 | 6.8 | 6.7 | 9.7 | 14.1 | 17.3 | 21.1 | 21.2 | 17.5 | 12.0 | 6.8 | 3.7 |
| Absolute minimum temperature (°C) | -3.3 | -2.3 | -1.3 | 4.6 | 5.0 | 13.4 | 17.3 | 17.9 | 13.5 | 6.8 | -1.5 | -2.8 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.2 | 6.3 | 8.4 | 8.9 | 9.7 | 10.5 | 12.1 | 10.6 | 10.6 | 9.3 | 7.2 | 6.5 |
| Precipitation (mm) | 191 | 106 | 107 | 171 | 118 | 131 | 31 | 76 | 73 | 32 | 60 | 174 |
| Sunny days | 15 | 11 | 19 | 13 | 12 | 11 | 12 | 16 | 16 | 24 | 18 | 20 |
| Rainy days | 16 | 17 | 12 | 17 | 19 | 19 | 19 | 15 | 14 | 7 | 12 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit South Union during the most sunny months:
The largest precipitation sum in South Union is at