Average annual temperature is 20.4 °C
Absolute maximum temperature: 41.0 °C
Absolute minimum temperature: -1.3 °C
Number of sunny days: 196 days
Number of rainy days: 169 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) | 25.4 | 27.5 | 28.5 | 30.2 | 32.1 | 39.1 | 38.7 | 41.0 | 37.4 | 33.5 | 29.6 | 26.1 |
| Average daytime temperature (°C) | 17.0 | 19.1 | 22.4 | 23.8 | 28.9 | 33.9 | 35.5 | 38.0 | 33.3 | 27.8 | 19.7 | 17.0 |
| Average temperature (°C) | 12.1 | 13.1 | 16.2 | 18.0 | 23.3 | 27.6 | 29.5 | 31.7 | 27.0 | 21.1 | 14.0 | 11.0 |
| Average night temperature (°C) | 8.3 | 8.9 | 11.7 | 13.5 | 18.1 | 22.5 | 24.8 | 26.2 | 21.8 | 16.0 | 9.8 | 6.4 |
| Absolute minimum temperature (°C) | -0.8 | -1.0 | -0.8 | 9.2 | 10.2 | 19.7 | 20.6 | 21.1 | 17.3 | 6.4 | 1.2 | -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 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| 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) | 6.7 | 7.1 | 8.9 | 8.5 | 10.9 | 11.9 | 11.3 | 11.9 | 10.7 | 8.8 | 6.5 | 7.6 |
| Precipitation (mm) | 176 | 105 | 121 | 162 | 106 | 74 | 54 | 20 | 29 | 34 | 77 | 87 |
| Sunny days | 13 | 11 | 12 | 13 | 14 | 8 | 15 | 25 | 18 | 23 | 21 | 23 |
| Rainy days | 18 | 17 | 19 | 17 | 17 | 22 | 16 | 6 | 12 | 8 | 9 | 8 |
| 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