Average annual temperature is -3.8 °C
Absolute maximum temperature: 21.7 °C
Absolute minimum temperature: -32.2 °C
Number of sunny days: 126 days
Number of rainy days: 151 days
Number of snow days: 88 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) | -1.2 | 0.4 | 1.3 | 5.7 | 10.5 | 18.3 | 17.9 | 21.7 | 11.7 | 6.3 | 1.6 | -5.0 |
| Average daytime temperature (°C) | -12.5 | -13.0 | -7.1 | -6.6 | 5.1 | 11.8 | 13.8 | 12.7 | 7.3 | 1.0 | -3.6 | -13.5 |
| Average temperature (°C) | -15.0 | -16.6 | -11.8 | -12.3 | 1.1 | 7.8 | 11.0 | 10.1 | 4.3 | -1.9 | -6.4 | -16.6 |
| Average night temperature (°C) | -17.3 | -19.2 | -15.3 | -16.6 | -1.8 | 4.6 | 8.9 | 8.2 | 1.9 | -4.0 | -9.2 | -19.6 |
| Absolute minimum temperature (°C) | -32.2 | -30.4 | -28.8 | -29.4 | -8.3 | -5.9 | 6.3 | 1.4 | -2.2 | -11.2 | -17.5 | -30.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 6.0 | 9.0 | 13.0 | 16.0 | 20.0 | 21.0 | 21.0 | 18.0 | 14.0 | 11.0 | 7.0 | 4.0 |
| Daylight mean duration (h) | 5.4 | 8.5 | 11.8 | 15.2 | 18.6 | 21.2 | 19.8 | 16.4 | 13.1 | 9.7 | 6.4 | 4.1 |
| Daylight minimum duration (h) | 4.0 | 6.0 | 10.0 | 13.0 | 16.0 | 20.0 | 18.0 | 14.0 | 11.0 | 8.0 | 4.0 | 3.0 |
| Sunshine mean duration (h) | 1.5 | 3.5 | 4.5 | 12.0 | 10.1 | 10.2 | 5.9 | 3.5 | 4.5 | 4.4 | 1.8 | 1.5 |
| Precipitation (mm) | 47 | 62 | 158 | 17 | 47 | 89 | 169 | 175 | 150 | 93 | 74 | 24 |
| Sunny days | 15 | 13 | 9 | 23 | 16 | 6 | 3 | 3 | 3 | 14 | 9 | 12 |
| Rainy days | 2 | 2 | 5 | 0 | 12 | 22 | 28 | 28 | 27 | 13 | 10 | 2 |
| Snow days | 14 | 13 | 17 | 7 | 3 | 2 | 0 | 0 | 0 | 4 | 11 | 17 |
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