Average annual temperature is 20.2 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: -3.2 °C
Number of sunny days: 169 days
Number of rainy days: 196 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) | 24.2 | 28.0 | 28.4 | 29.6 | 33.0 | 36.9 | 38.1 | 39.0 | 36.3 | 31.6 | 27.6 | 24.5 |
| Average daytime temperature (°C) | 17.8 | 20.2 | 22.6 | 23.9 | 29.4 | 33.3 | 35.0 | 37.0 | 32.8 | 26.6 | 19.8 | 16.7 |
| Average temperature (°C) | 12.7 | 14.4 | 16.5 | 18.2 | 23.0 | 26.5 | 28.5 | 30.4 | 26.2 | 20.2 | 14.1 | 11.1 |
| Average night temperature (°C) | 8.7 | 10.3 | 12.1 | 13.8 | 17.9 | 21.4 | 23.6 | 24.9 | 20.8 | 15.1 | 9.9 | 6.7 |
| Absolute minimum temperature (°C) | -1.7 | -0.5 | -3.2 | 8.7 | 10.8 | 18.1 | 20.5 | 20.1 | 17.4 | 7.2 | 0.4 | -1.1 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.4 | 7.2 | 8.7 | 8.6 | 10.6 | 11.2 | 11.7 | 11.8 | 11.1 | 9.2 | 6.7 | 8.0 |
| Precipitation (mm) | 178 | 120 | 119 | 149 | 86 | 143 | 110 | 19 | 49 | 20 | 78 | 130 |
| Sunny days | 13 | 8 | 12 | 11 | 12 | 2 | 12 | 22 | 15 | 23 | 17 | 22 |
| Rainy days | 18 | 20 | 19 | 19 | 19 | 28 | 19 | 9 | 15 | 8 | 13 | 9 |
| 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