Average annual temperature is 21.8 °C
Absolute maximum temperature: 43.4 °C
Absolute minimum temperature: -2.6 °C
Number of sunny days: 296 days
Number of rainy days: 68 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) | 24.6 | 26.5 | 28.0 | 37.0 | 35.5 | 42.9 | 43.4 | 42.4 | 41.9 | 36.8 | 32.7 | 26.4 |
| Average daytime temperature (°C) | 16.5 | 19.1 | 22.0 | 29.9 | 32.8 | 36.8 | 41.2 | 38.0 | 36.6 | 31.8 | 24.7 | 20.2 |
| Average temperature (°C) | 9.5 | 11.0 | 14.6 | 21.5 | 25.4 | 29.2 | 34.5 | 31.3 | 29.2 | 24.4 | 17.4 | 12.6 |
| Average night temperature (°C) | 4.2 | 4.8 | 7.9 | 12.3 | 17.0 | 20.4 | 26.8 | 24.9 | 21.4 | 16.5 | 10.8 | 6.8 |
| Absolute minimum temperature (°C) | -2.6 | -1.8 | -0.3 | 2.2 | 10.1 | 14.6 | 20.9 | 19.2 | 18.3 | 7.5 | 4.6 | 2.3 |
| 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) | 7.8 | 8.9 | 9.7 | 11.9 | 12.5 | 12.7 | 12.3 | 11.2 | 11.0 | 10.3 | 9.1 | 8.4 |
| Precipitation (mm) | 49 | 29 | 35 | 0 | 11 | 0 | 3 | 19 | 45 | 6 | 18 | 24 |
| Sunny days | 21 | 17 | 26 | 30 | 27 | 30 | 25 | 14 | 26 | 29 | 25 | 26 |
| Rainy days | 9 | 11 | 5 | 0 | 4 | 0 | 6 | 17 | 4 | 2 | 5 | 5 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Summit is at