Average annual temperature is 14.6 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: -7.0 °C
Number of sunny days: 188 days
Number of rainy days: 177 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) | 18.5 | 23.2 | 25.1 | 27.7 | 29.3 | 33.0 | 36.0 | 36.8 | 32.3 | 29.6 | 25.6 | 17.8 |
| Average daytime temperature (°C) | 10.1 | 13.8 | 14.3 | 20.0 | 24.4 | 28.5 | 30.9 | 29.6 | 27.8 | 21.0 | 14.8 | 10.7 |
| Average temperature (°C) | 5.7 | 7.4 | 8.0 | 13.3 | 18.1 | 21.9 | 24.8 | 23.8 | 21.4 | 15.4 | 8.7 | 5.7 |
| Average night temperature (°C) | 2.4 | 3.0 | 3.2 | 7.6 | 12.7 | 16.1 | 20.0 | 19.1 | 15.9 | 11.0 | 4.4 | 2.1 |
| Absolute minimum temperature (°C) | -5.5 | -6.7 | -7.0 | 0.3 | 3.6 | 10.7 | 15.9 | 13.7 | 12.1 | -1.9 | -5.4 | -6.4 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 4.8 | 7.3 | 8.0 | 9.7 | 10.5 | 11.2 | 11.4 | 10.6 | 10.8 | 7.6 | 7.7 | 6.2 |
| Precipitation (mm) | 125 | 93 | 170 | 87 | 65 | 122 | 110 | 81 | 25 | 80 | 50 | 90 |
| Sunny days | 11 | 17 | 17 | 17 | 18 | 15 | 8 | 13 | 17 | 19 | 22 | 14 |
| Rainy days | 20 | 11 | 14 | 13 | 13 | 15 | 23 | 18 | 13 | 12 | 8 | 17 |
| 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