Average annual temperature is 6.9 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -21.6 °C
Number of sunny days: 144 days
Number of rainy days: 148 days
Number of snow days: 73 days
Look at detailed online map of Township of Rock River
* Weather data for Township of Rock River 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) | 2.7 | 7.8 | 7.1 | 25.7 | 32.0 | 33.7 | 31.5 | 30.0 | 33.4 | 27.3 | 15.4 | 9.6 |
| Average daytime temperature (°C) | -2.1 | -1.4 | 0.9 | 9.9 | 19.0 | 23.4 | 24.1 | 23.2 | 21.8 | 12.8 | 5.4 | 3.0 |
| Average temperature (°C) | -4.9 | -5.9 | -3.2 | 3.9 | 11.7 | 16.8 | 18.1 | 17.9 | 16.4 | 9.1 | 1.3 | 0.1 |
| Average night temperature (°C) | -7.5 | -9.5 | -6.5 | -0.2 | 6.2 | 11.4 | 13.7 | 14.0 | 12.6 | 6.7 | -1.7 | -2.1 |
| Absolute minimum temperature (°C) | -21.6 | -20.4 | -13.0 | -9.1 | -2.0 | 4.6 | 8.7 | 9.3 | 6.2 | -5.9 | -8.3 | -8.5 |
| 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 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.3 | 11.9 | 13.6 | 15.0 | 15.7 | 15.4 | 14.1 | 12.6 | 10.9 | 9.4 | 8.7 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 2.3 | 5.8 | 6.4 | 7.3 | 10.8 | 11.1 | 11.9 | 11.2 | 8.7 | 5.6 | 4.9 | 2.6 |
| Precipitation (mm) | 77 | 59 | 49 | 119 | 131 | 87 | 96 | 83 | 61 | 107 | 36 | 57 |
| Sunny days | 9 | 8 | 11 | 8 | 20 | 16 | 7 | 13 | 16 | 10 | 12 | 14 |
| Rainy days | 4 | 3 | 4 | 13 | 11 | 14 | 24 | 18 | 14 | 20 | 12 | 11 |
| Snow days | 18 | 17 | 16 | 9 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 6 |
The best time to visit Township of Rock River during the most sunny months:
Months with the longest average daylight duration in Township of Rock River:
The largest precipitation sum in Township of Rock River is at