Average annual temperature is 17.2 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: -4.3 °C
Number of sunny days: 173 days
Number of rainy days: 192 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) | 21.4 | 25.6 | 25.5 | 28.7 | 30.9 | 34.4 | 35.7 | 36.6 | 33.1 | 30.0 | 25.7 | 21.1 |
| Average daytime temperature (°C) | 14.2 | 17.4 | 18.6 | 21.8 | 25.9 | 30.3 | 32.4 | 32.4 | 29.7 | 23.5 | 17.8 | 13.8 |
| Average temperature (°C) | 9.3 | 11.5 | 12.6 | 15.7 | 19.8 | 23.7 | 25.9 | 26.0 | 23.3 | 17.8 | 11.8 | 8.3 |
| Average night temperature (°C) | 5.5 | 7.4 | 7.8 | 10.6 | 15.1 | 18.5 | 21.1 | 21.3 | 18.4 | 12.9 | 7.2 | 4.3 |
| Absolute minimum temperature (°C) | -3.5 | -3.7 | -4.3 | 5.7 | 7.4 | 15.7 | 17.7 | 16.1 | 14.3 | 6.0 | -4.1 | -2.8 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 5.4 | 6.6 | 8.6 | 9.4 | 10.8 | 11.8 | 11.2 | 10.6 | 10.9 | 8.4 | 6.9 | 7.1 |
| Precipitation (mm) | 193 | 122 | 113 | 141 | 107 | 81 | 122 | 125 | 29 | 22 | 52 | 75 |
| Sunny days | 12 | 12 | 17 | 15 | 10 | 15 | 5 | 12 | 16 | 20 | 18 | 21 |
| Rainy days | 19 | 16 | 14 | 15 | 21 | 15 | 26 | 19 | 14 | 11 | 12 | 10 |
| 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