Average annual temperature is 14.1 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: -5.0 °C
Number of sunny days: 271 days
Number of rainy days: 83 days
Number of snow days: 11 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) | 13.8 | 15.8 | 13.6 | 29.4 | 29.8 | 34.3 | 40.1 | 34.5 | 32.4 | 29.3 | 23.8 | 19.7 |
| Average daytime temperature (°C) | 8.6 | 9.5 | 8.6 | 18.8 | 22.7 | 25.3 | 34.4 | 30.6 | 27.2 | 22.4 | 15.4 | 13.1 |
| Average temperature (°C) | 4.5 | 4.5 | 4.4 | 12.3 | 16.3 | 18.7 | 27.6 | 24.0 | 20.3 | 16.6 | 10.6 | 8.5 |
| Average night temperature (°C) | 1.3 | 0.6 | 1.2 | 7.1 | 11.0 | 13.3 | 21.4 | 18.2 | 15.0 | 11.8 | 6.2 | 4.7 |
| Absolute minimum temperature (°C) | -5.0 | -5.0 | -4.6 | -3.5 | 1.9 | 9.1 | 15.1 | 13.6 | 11.6 | 2.0 | 0.2 | 0.8 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.1 | 8.3 | 8.5 | 11.9 | 12.5 | 13.1 | 13.2 | 11.7 | 11.0 | 10.3 | 8.8 | 6.9 |
| Precipitation (mm) | 147 | 117 | 80 | 3 | 8 | 11 | 0 | 91 | 3 | 0 | 8 | 48 |
| Sunny days | 14 | 15 | 13 | 29 | 19 | 23 | 30 | 23 | 27 | 30 | 24 | 24 |
| Rainy days | 15 | 6 | 16 | 1 | 12 | 7 | 1 | 8 | 3 | 1 | 6 | 7 |
| Snow days | 2 | 7 | 2 | 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