Average annual temperature is 13.2 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -8.8 °C
Number of sunny days: 178 days
Number of rainy days: 180 days
Number of snow days: 7 days
Look at detailed online map of Summithill
* Weather data for Summithill 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) | 16.8 | 23.0 | 24.0 | 27.6 | 30.1 | 33.0 | 33.9 | 33.6 | 33.6 | 28.9 | 23.3 | 16.9 |
| Average daytime temperature (°C) | 8.1 | 12.6 | 12.5 | 18.9 | 23.0 | 26.8 | 30.1 | 29.1 | 26.2 | 19.5 | 12.9 | 9.6 |
| Average temperature (°C) | 3.7 | 5.6 | 5.9 | 12.3 | 16.5 | 20.8 | 24.1 | 22.9 | 20.1 | 14.2 | 7.0 | 4.9 |
| Average night temperature (°C) | 0.3 | 0.7 | 1.2 | 6.7 | 10.9 | 15.3 | 19.3 | 18.0 | 14.9 | 9.9 | 2.8 | 1.5 |
| Absolute minimum temperature (°C) | -6.8 | -8.8 | -7.5 | 0.0 | 3.9 | 10.2 | 15.8 | 12.7 | 10.2 | 1.8 | -6.9 | -5.3 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.0 | 7.4 | 7.8 | 9.3 | 10.3 | 11.2 | 11.8 | 10.8 | 9.8 | 7.4 | 7.3 | 5.3 |
| Precipitation (mm) | 134 | 43 | 103 | 77 | 61 | 68 | 94 | 99 | 36 | 65 | 44 | 63 |
| Sunny days | 6 | 14 | 18 | 16 | 20 | 15 | 8 | 15 | 17 | 15 | 22 | 12 |
| Rainy days | 22 | 13 | 11 | 14 | 11 | 15 | 23 | 16 | 13 | 16 | 8 | 18 |
| Snow days | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Summithill during the most sunny months:
The largest precipitation sum in Summithill is at