Average annual temperature is 9.6 °C
Absolute maximum temperature: 30.5 °C
Absolute minimum temperature: -16.5 °C
Number of sunny days: 127 days
Number of rainy days: 209 days
Number of snow days: 29 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) | 13.2 | 16.5 | 14.0 | 27.1 | 29.3 | 30.3 | 30.5 | 29.6 | 29.7 | 26.0 | 15.6 | 13.0 |
| Average daytime temperature (°C) | 3.9 | 6.9 | 5.7 | 16.0 | 19.8 | 22.9 | 26.1 | 24.1 | 21.4 | 15.3 | 7.9 | 6.1 |
| Average temperature (°C) | 0.5 | 0.3 | 0.8 | 9.2 | 12.9 | 17.3 | 20.8 | 18.9 | 16.3 | 11.2 | 3.5 | 2.7 |
| Average night temperature (°C) | -2.1 | -4.2 | -2.9 | 3.8 | 6.6 | 12.3 | 16.1 | 15.0 | 12.4 | 7.8 | 0.1 | 0.2 |
| Absolute minimum temperature (°C) | -9.0 | -16.5 | -10.9 | -6.0 | -0.4 | 7.5 | 12.2 | 10.9 | 6.6 | -0.6 | -8.3 | -5.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 2.4 | 6.1 | 5.5 | 8.2 | 11.0 | 10.4 | 11.3 | 9.6 | 8.6 | 5.6 | 6.1 | 3.1 |
| Precipitation (mm) | 123 | 67 | 104 | 80 | 39 | 98 | 111 | 122 | 54 | 61 | 48 | 85 |
| Sunny days | 8 | 9 | 5 | 12 | 21 | 9 | 5 | 6 | 16 | 12 | 12 | 12 |
| Rainy days | 16 | 15 | 15 | 17 | 10 | 21 | 26 | 25 | 14 | 19 | 15 | 16 |
| Snow days | 7 | 4 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 |
The best time to visit Summit during the most sunny months:
The largest precipitation sum in Summit is at