Average annual temperature is 14.4 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -7.4 °C
Number of sunny days: 181 days
Number of rainy days: 180 days
Number of snow days: 4 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) | 19.7 | 25.0 | 24.7 | 29.8 | 28.8 | 33.2 | 36.2 | 35.6 | 35.6 | 29.7 | 26.1 | 20.6 |
| Average daytime temperature (°C) | 10.8 | 14.4 | 14.4 | 20.8 | 23.9 | 27.7 | 31.5 | 30.2 | 27.4 | 21.0 | 14.7 | 11.6 |
| Average temperature (°C) | 5.5 | 7.4 | 7.6 | 13.7 | 17.3 | 21.4 | 25.1 | 23.9 | 21.0 | 15.1 | 8.1 | 6.0 |
| Average night temperature (°C) | 2.0 | 2.6 | 2.6 | 7.8 | 11.8 | 15.8 | 20.0 | 19.0 | 15.7 | 10.6 | 3.7 | 2.3 |
| Absolute minimum temperature (°C) | -5.5 | -7.3 | -7.4 | 1.0 | 4.5 | 10.4 | 16.4 | 13.3 | 11.2 | 2.6 | -6.0 | -4.7 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 4.7 | 7.0 | 7.6 | 9.8 | 9.6 | 11.5 | 11.7 | 10.2 | 9.9 | 7.7 | 7.3 | 5.5 |
| Precipitation (mm) | 93 | 89 | 86 | 50 | 62 | 64 | 64 | 99 | 46 | 41 | 44 | 82 |
| Sunny days | 9 | 14 | 17 | 18 | 15 | 14 | 9 | 14 | 15 | 17 | 22 | 17 |
| Rainy days | 20 | 12 | 14 | 12 | 16 | 16 | 22 | 17 | 15 | 14 | 8 | 14 |
| Snow days | 2 | 2 | 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