Average annual temperature is 11.9 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: -23.0 °C
Number of sunny days: 158 days
Number of rainy days: 201 days
Number of snow days: 6 days
Look at detailed online map of Summit Grove
* Weather data for Summit Grove 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) | 13.0 | 18.9 | 14.8 | 31.6 | 27.8 | 27.7 | 32.2 | 30.7 | 32.8 | 28.4 | 18.0 | 16.1 |
| Average daytime temperature (°C) | 7.3 | 6.8 | 8.7 | 16.0 | 19.9 | 22.9 | 28.3 | 26.1 | 23.1 | 19.0 | 10.3 | 8.5 |
| Average temperature (°C) | 3.7 | 2.1 | 4.2 | 10.7 | 14.2 | 17.8 | 23.5 | 21.5 | 19.0 | 14.3 | 5.7 | 4.7 |
| Average night temperature (°C) | 0.3 | -2.2 | 0.2 | 6.5 | 9.4 | 13.9 | 19.8 | 17.8 | 15.9 | 10.8 | 1.9 | 1.6 |
| Absolute minimum temperature (°C) | -4.8 | -23.0 | -3.8 | -2.1 | 3.1 | 8.6 | 15.5 | 13.8 | 9.6 | 5.2 | -4.2 | -6.3 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.9 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.0 | 6.1 | 7.2 | 8.5 | 11.7 | 10.0 | 11.0 | 9.8 | 7.5 | 7.8 | 7.2 | 5.3 |
| Precipitation (mm) | 217 | 64 | 112 | 75 | 94 | 118 | 201 | 111 | 195 | 70 | 42 | 171 |
| Sunny days | 9 | 12 | 14 | 15 | 21 | 10 | 9 | 10 | 11 | 12 | 21 | 14 |
| Rainy days | 22 | 12 | 16 | 15 | 10 | 20 | 22 | 21 | 19 | 19 | 9 | 16 |
| Snow days | 0 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Summit Grove during the most sunny months:
The largest precipitation sum in Summit Grove is at