Average annual temperature is 11.2 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -11.7 °C
Number of sunny days: 157 days
Number of rainy days: 189 days
Number of snow days: 19 days
Look at detailed online map of Summit
* Weather data for Summit 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) | 14.8 | 20.6 | 18.4 | 28.0 | 31.8 | 32.7 | 32.0 | 30.1 | 32.1 | 27.6 | 17.5 | 14.9 |
| Average daytime temperature (°C) | 5.8 | 9.7 | 8.8 | 17.2 | 21.6 | 25.3 | 28.1 | 26.5 | 23.8 | 17.0 | 9.9 | 7.7 |
| Average temperature (°C) | 1.8 | 2.4 | 3.1 | 10.4 | 14.6 | 19.1 | 22.2 | 20.6 | 18.0 | 12.4 | 4.9 | 4.0 |
| Average night temperature (°C) | -1.1 | -2.4 | -1.0 | 4.8 | 8.3 | 13.7 | 17.4 | 16.1 | 13.3 | 8.7 | 1.2 | 1.2 |
| Absolute minimum temperature (°C) | -7.7 | -11.7 | -7.6 | -3.7 | 1.3 | 8.8 | 13.3 | 11.4 | 7.9 | 0.3 | -7.7 | -5.0 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 2.8 | 6.4 | 6.1 | 8.4 | 10.9 | 11.4 | 11.8 | 10.9 | 8.8 | 6.7 | 6.3 | 3.6 |
| Precipitation (mm) | 128 | 58 | 126 | 81 | 39 | 141 | 109 | 80 | 44 | 64 | 61 | 68 |
| Sunny days | 8 | 9 | 10 | 13 | 21 | 17 | 7 | 10 | 15 | 15 | 19 | 13 |
| Rainy days | 16 | 16 | 16 | 17 | 10 | 13 | 24 | 21 | 15 | 16 | 9 | 16 |
| Snow days | 7 | 3 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The best time to visit Summit during the most sunny months:
The largest precipitation sum in Summit is at