Average annual temperature is 9.1 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -27.3 °C
Number of sunny days: 188 days
Number of rainy days: 143 days
Number of snow days: 34 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) | 2.9 | 8.0 | 13.3 | 27.0 | 31.1 | 31.4 | 33.1 | 35.5 | 34.3 | 29.4 | 18.2 | 11.4 |
| Average daytime temperature (°C) | -3.6 | -1.0 | 3.7 | 13.2 | 23.1 | 28.2 | 27.5 | 27.8 | 25.1 | 15.4 | 8.2 | 4.7 |
| Average temperature (°C) | -7.1 | -6.5 | -1.6 | 7.1 | 16.6 | 22.3 | 21.8 | 22.3 | 19.5 | 10.7 | 3.1 | 0.5 |
| Average night temperature (°C) | -10.1 | -11.1 | -5.9 | 2.6 | 10.8 | 16.7 | 16.4 | 17.6 | 15.0 | 6.9 | -0.7 | -2.3 |
| Absolute minimum temperature (°C) | -25.6 | -27.3 | -18.4 | -5.7 | -0.2 | 9.4 | 11.1 | 11.3 | 7.2 | -5.9 | -13.9 | -8.5 |
| 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) | 9.3 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.7 | 9.0 |
| 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) | 3.7 | 6.7 | 6.8 | 7.9 | 11.5 | 12.8 | 12.4 | 11.6 | 9.5 | 7.1 | 6.2 | 4.7 |
| Precipitation (mm) | 60 | 70 | 67 | 94 | 95 | 40 | 65 | 81 | 97 | 113 | 7 | 50 |
| Sunny days | 18 | 17 | 15 | 12 | 19 | 12 | 11 | 13 | 12 | 16 | 23 | 20 |
| Rainy days | 6 | 5 | 6 | 15 | 12 | 18 | 20 | 18 | 18 | 13 | 5 | 7 |
| Snow days | 7 | 6 | 10 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 4 |
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