Average annual temperature is 6.9 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -27.3 °C
Number of sunny days: 210 days
Number of rainy days: 120 days
Number of snow days: 35 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) | 0.7 | 3.1 | 1.8 | 22.1 | 29.6 | 32.9 | 33.9 | 33.1 | 33.5 | 29.0 | 14.2 | 11.6 |
| Average daytime temperature (°C) | -6.7 | -4.2 | -3.8 | 7.0 | 21.6 | 27.1 | 25.9 | 26.3 | 23.1 | 12.7 | 6.2 | 2.7 |
| Average temperature (°C) | -9.6 | -8.7 | -7.7 | 1.9 | 15.7 | 22.0 | 20.6 | 21.0 | 18.1 | 8.4 | 1.4 | -1.1 |
| Average night temperature (°C) | -12.3 | -12.6 | -10.9 | -1.8 | 10.2 | 17.0 | 15.9 | 16.8 | 13.9 | 4.9 | -2.1 | -3.8 |
| Absolute minimum temperature (°C) | -26.9 | -27.3 | -19.3 | -11.5 | 0.7 | 10.8 | 10.5 | 11.9 | 7.5 | -7.1 | -12.1 | -11.2 |
| 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) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.3 | 14.1 | 12.5 | 11.0 | 9.5 | 8.8 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 3.5 | 7.4 | 7.6 | 9.0 | 12.0 | 13.0 | 13.1 | 11.3 | 9.8 | 7.5 | 7.2 | 4.6 |
| Precipitation (mm) | 14 | 31 | 53 | 70 | 27 | 61 | 46 | 108 | 64 | 94 | 5 | 102 |
| Sunny days | 21 | 20 | 19 | 15 | 17 | 16 | 15 | 16 | 14 | 15 | 22 | 20 |
| Rainy days | 3 | 4 | 3 | 8 | 14 | 14 | 16 | 15 | 16 | 13 | 6 | 8 |
| Snow days | 7 | 4 | 9 | 7 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 3 |
The best time to visit Summit during the most sunny months:
Months with the longest average daylight duration in Summit:
The largest precipitation sum in Summit is at