Average annual temperature is 4.0 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: -23.1 °C
Number of sunny days: 175 days
Number of rainy days: 118 days
Number of snow days: 72 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) | 0.6 | 0.9 | 1.6 | 19.9 | 21.8 | 24.5 | 32.2 | 31.2 | 25.3 | 21.4 | 12.5 | 3.3 |
| Average daytime temperature (°C) | -4.6 | -4.2 | -3.0 | 3.2 | 14.8 | 16.7 | 27.8 | 25.7 | 19.9 | 12.7 | 4.6 | -1.0 |
| Average temperature (°C) | -7.6 | -8.4 | -7.0 | -1.4 | 9.3 | 11.0 | 20.7 | 18.4 | 12.6 | 5.9 | -1.5 | -5.2 |
| Average night temperature (°C) | -10.4 | -11.8 | -10.2 | -5.1 | 4.2 | 5.8 | 13.0 | 11.9 | 6.3 | 1.1 | -5.7 | -8.9 |
| Absolute minimum temperature (°C) | -23.1 | -17.6 | -16.3 | -13.1 | -4.0 | -1.4 | 8.6 | 5.8 | -1.2 | -10.2 | -16.2 | -21.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.1 | 7.8 | 7.7 | 10.5 | 11.8 | 12.2 | 13.5 | 11.6 | 10.2 | 8.3 | 7.5 | 5.3 |
| Precipitation (mm) | 36 | 26 | 75 | 35 | 65 | 69 | 0 | 28 | 29 | 33 | 24 | 68 |
| Sunny days | 13 | 15 | 4 | 16 | 5 | 5 | 29 | 17 | 18 | 20 | 19 | 14 |
| Rainy days | 2 | 1 | 5 | 4 | 26 | 25 | 2 | 14 | 12 | 10 | 7 | 10 |
| Snow days | 16 | 12 | 22 | 10 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 7 |
The best time to visit South Mountain during the most sunny months:
Months with the longest average daylight duration in South Mountain:
The largest precipitation sum in South Mountain is at