Average annual temperature is 11.4 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -23.1 °C
Number of sunny days: 168 days
Number of rainy days: 189 days
Number of snow days: 8 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 | 18.0 | 14.4 | 32.7 | 27.3 | 31.9 | 31.1 | 28.7 | 32.0 | 27.3 | 17.7 | 15.7 |
| Average daytime temperature (°C) | 6.8 | 6.1 | 8.5 | 16.6 | 20.3 | 23.4 | 27.8 | 25.3 | 22.4 | 18.4 | 9.7 | 8.3 |
| Average temperature (°C) | 3.1 | 1.5 | 3.7 | 10.7 | 14.2 | 17.8 | 23.0 | 20.7 | 18.3 | 13.7 | 5.0 | 4.2 |
| Average night temperature (°C) | -0.1 | -2.7 | -0.4 | 6.0 | 8.9 | 13.5 | 19.2 | 17.1 | 15.3 | 10.2 | 1.2 | 0.9 |
| Absolute minimum temperature (°C) | -5.3 | -23.1 | -4.5 | -2.4 | 2.7 | 6.9 | 14.1 | 13.4 | 8.8 | 4.3 | -4.8 | -6.7 |
| 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 | 14.9 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.0 | 6.6 | 7.5 | 8.8 | 11.7 | 9.8 | 10.9 | 9.7 | 7.2 | 7.9 | 7.2 | 5.3 |
| Precipitation (mm) | 170 | 56 | 116 | 76 | 75 | 90 | 177 | 111 | 249 | 85 | 46 | 181 |
| Sunny days | 9 | 13 | 18 | 16 | 20 | 5 | 12 | 10 | 13 | 14 | 21 | 17 |
| Rainy days | 18 | 12 | 12 | 14 | 11 | 25 | 19 | 21 | 17 | 17 | 9 | 14 |
| Snow days | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Summit during the most sunny months:
The largest precipitation sum in Summit is at