Average annual temperature is 17.6 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: -6.5 °C
Number of sunny days: 211 days
Number of rainy days: 154 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) | 20.7 | 23.8 | 27.0 | 29.6 | 32.0 | 39.0 | 40.8 | 40.4 | 37.3 | 31.6 | 28.3 | 21.7 |
| Average daytime temperature (°C) | 12.2 | 14.4 | 17.3 | 22.0 | 27.3 | 32.4 | 34.7 | 35.5 | 31.4 | 22.9 | 17.7 | 13.1 |
| Average temperature (°C) | 6.9 | 7.9 | 11.3 | 15.8 | 21.3 | 26.3 | 28.7 | 29.3 | 25.3 | 17.9 | 11.7 | 8.2 |
| Average night temperature (°C) | 3.0 | 3.6 | 7.1 | 10.7 | 16.6 | 21.3 | 24.0 | 24.2 | 20.3 | 14.0 | 7.3 | 4.5 |
| Absolute minimum temperature (°C) | -6.5 | -6.3 | -4.1 | 6.2 | 7.5 | 17.2 | 20.2 | 18.0 | 17.1 | -1.0 | -1.5 | -1.3 |
| 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) | 6.2 | 6.3 | 7.3 | 9.5 | 10.2 | 12.1 | 11.5 | 11.8 | 10.3 | 8.1 | 7.9 | 6.5 |
| Precipitation (mm) | 70 | 101 | 156 | 51 | 77 | 78 | 94 | 49 | 84 | 94 | 28 | 56 |
| Sunny days | 19 | 15 | 15 | 18 | 15 | 14 | 17 | 21 | 17 | 18 | 22 | 20 |
| Rainy days | 12 | 13 | 16 | 12 | 16 | 16 | 14 | 10 | 13 | 13 | 8 | 11 |
| Snow days | 0 | 0 | 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