Average annual temperature is 16.7 °C
Absolute maximum temperature: 41.4 °C
Absolute minimum temperature: -6.2 °C
Number of sunny days: 204 days
Number of rainy days: 160 days
Number of snow days: 1 day
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) | 21.8 | 23.7 | 25.9 | 29.4 | 32.4 | 38.8 | 37.7 | 41.4 | 34.2 | 31.6 | 27.8 | 19.9 |
| Average daytime temperature (°C) | 11.7 | 14.6 | 16.5 | 21.8 | 27.8 | 32.0 | 33.8 | 33.7 | 30.5 | 23.0 | 16.7 | 13.0 |
| Average temperature (°C) | 6.3 | 8.2 | 10.0 | 15.4 | 21.0 | 25.1 | 27.3 | 27.4 | 23.6 | 17.4 | 10.5 | 7.6 |
| Average night temperature (°C) | 2.2 | 3.6 | 5.1 | 9.8 | 15.3 | 19.0 | 22.3 | 22.4 | 17.8 | 13.2 | 5.9 | 3.9 |
| Absolute minimum temperature (°C) | -6.2 | -6.0 | -5.4 | 3.4 | 7.3 | 14.6 | 16.7 | 16.3 | 13.5 | -1.5 | -2.7 | -3.0 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.1 | 7.1 | 7.7 | 9.6 | 11.0 | 12.8 | 11.3 | 11.2 | 10.9 | 8.0 | 7.8 | 6.7 |
| Precipitation (mm) | 77 | 105 | 227 | 45 | 116 | 52 | 69 | 100 | 24 | 87 | 27 | 46 |
| Sunny days | 18 | 18 | 14 | 20 | 15 | 13 | 11 | 14 | 19 | 19 | 22 | 21 |
| Rainy days | 13 | 9 | 17 | 10 | 16 | 17 | 20 | 17 | 11 | 12 | 8 | 10 |
| Snow days | 0 | 1 | 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