Average annual temperature is 10.6 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: -26.5 °C
Number of sunny days: 188 days
Number of rainy days: 154 days
Number of snow days: 23 days
Look at detailed online map of Rock Grove
* Weather data for Rock 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) | 8.9 | 11.0 | 19.7 | 25.4 | 31.8 | 32.8 | 33.9 | 37.2 | 34.0 | 27.6 | 18.0 | 12.6 |
| Average daytime temperature (°C) | 1.5 | 3.6 | 6.9 | 15.4 | 23.4 | 28.3 | 29.0 | 28.2 | 24.4 | 16.0 | 8.4 | 5.4 |
| Average temperature (°C) | -2.3 | -1.8 | 1.5 | 9.0 | 16.3 | 21.6 | 23.2 | 22.6 | 19.2 | 11.7 | 3.8 | 2.0 |
| Average night temperature (°C) | -5.0 | -6.1 | -2.5 | 3.9 | 10.3 | 15.4 | 17.9 | 17.8 | 15.2 | 8.0 | 0.3 | -0.4 |
| Absolute minimum temperature (°C) | -26.5 | -23.0 | -12.5 | -1.9 | 0.8 | 7.2 | 13.4 | 10.6 | 8.6 | -2.9 | -12.0 | -8.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.7 | 7.1 | 6.5 | 9.0 | 11.1 | 12.2 | 12.1 | 11.2 | 8.7 | 7.1 | 7.1 | 4.1 |
| Precipitation (mm) | 66 | 88 | 99 | 86 | 51 | 26 | 88 | 47 | 114 | 91 | 33 | 60 |
| Sunny days | 14 | 16 | 13 | 16 | 22 | 17 | 14 | 16 | 13 | 12 | 20 | 15 |
| Rainy days | 8 | 8 | 14 | 14 | 9 | 13 | 17 | 15 | 17 | 17 | 8 | 14 |
| Snow days | 9 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 |
The best time to visit Rock Grove during the most sunny months:
The largest precipitation sum in Rock Grove is at