Average annual temperature is 20.8 °C
Absolute maximum temperature: 42.3 °C
Absolute minimum temperature: -4.6 °C
Number of sunny days: 208 days
Number of rainy days: 157 days
Look at detailed online map of South Mountain
* Weather data for South Mountain 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) | 29.7 | 27.8 | 29.8 | 33.7 | 33.2 | 39.9 | 41.8 | 42.3 | 40.6 | 33.7 | 27.6 | 25.4 |
| Average daytime temperature (°C) | 17.7 | 17.9 | 23.0 | 24.1 | 27.6 | 35.2 | 38.0 | 39.6 | 34.3 | 26.7 | 19.1 | 17.7 |
| Average temperature (°C) | 11.9 | 10.8 | 16.2 | 17.9 | 22.3 | 28.6 | 31.9 | 33.3 | 28.7 | 21.1 | 13.9 | 11.6 |
| Average night temperature (°C) | 7.1 | 6.2 | 11.6 | 13.2 | 18.1 | 23.1 | 25.9 | 26.7 | 23.5 | 16.4 | 9.8 | 6.8 |
| Absolute minimum temperature (°C) | -4.6 | -3.9 | 1.6 | 7.1 | 13.1 | 18.9 | 22.0 | 23.0 | 20.3 | 3.1 | 1.1 | -0.9 |
| 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) | 10.4 | 11.1 | 12.0 | 12.9 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.5 | 7.2 | 7.7 | 8.0 | 8.6 | 11.2 | 12.0 | 12.3 | 10.3 | 8.7 | 6.9 | 7.6 |
| Precipitation (mm) | 61 | 92 | 114 | 145 | 246 | 85 | 18 | 3 | 51 | 119 | 30 | 100 |
| Sunny days | 21 | 12 | 13 | 10 | 11 | 11 | 23 | 28 | 18 | 18 | 20 | 23 |
| Rainy days | 10 | 16 | 18 | 20 | 20 | 19 | 8 | 3 | 12 | 13 | 10 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit South Mountain during the most sunny months:
The largest precipitation sum in South Mountain is at