Average annual temperature is 14.4 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: -7.6 °C
Number of sunny days: 186 days
Number of rainy days: 177 days
Number of snow days: 2 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) | 20.5 | 25.0 | 25.0 | 29.5 | 28.3 | 32.1 | 37.3 | 34.8 | 34.2 | 30.0 | 26.3 | 20.6 |
| Average daytime temperature (°C) | 11.4 | 14.5 | 14.9 | 21.2 | 23.5 | 27.3 | 32.0 | 29.9 | 27.0 | 21.3 | 15.1 | 12.0 |
| Average temperature (°C) | 5.8 | 7.7 | 8.0 | 13.8 | 17.1 | 21.1 | 25.3 | 23.8 | 20.7 | 15.2 | 8.3 | 6.1 |
| Average night temperature (°C) | 2.2 | 3.0 | 2.8 | 7.6 | 11.5 | 15.5 | 19.9 | 18.7 | 15.4 | 10.4 | 3.5 | 2.2 |
| Absolute minimum temperature (°C) | -6.5 | -7.4 | -7.6 | 0.6 | 4.1 | 9.5 | 16.0 | 13.3 | 11.5 | 2.3 | -6.3 | -4.9 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.0 | 7.1 | 7.6 | 9.9 | 10.1 | 11.4 | 12.0 | 10.3 | 9.9 | 7.7 | 7.3 | 5.7 |
| Precipitation (mm) | 89 | 104 | 97 | 83 | 78 | 54 | 78 | 92 | 36 | 36 | 49 | 85 |
| Sunny days | 12 | 16 | 19 | 19 | 15 | 14 | 9 | 12 | 15 | 17 | 22 | 16 |
| Rainy days | 18 | 11 | 12 | 11 | 16 | 16 | 22 | 19 | 15 | 14 | 8 | 15 |
| Snow days | 1 | 1 | 0 | 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