Average annual temperature is 7.2 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: -27.2 °C
Number of sunny days: 177 days
Number of rainy days: 140 days
Number of snow days: 48 days
Look at detailed online map of Town of Rock Falls
* Weather data for Town of Rock Falls 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) | 2.2 | 5.9 | 6.4 | 25.4 | 31.1 | 31.5 | 29.7 | 31.0 | 32.2 | 28.2 | 15.4 | 10.2 |
| Average daytime temperature (°C) | -3.0 | -1.5 | 2.1 | 10.4 | 20.4 | 26.0 | 25.2 | 24.8 | 21.8 | 12.6 | 5.2 | 2.9 |
| Average temperature (°C) | -6.4 | -6.6 | -3.1 | 4.4 | 13.7 | 19.6 | 19.6 | 19.3 | 16.7 | 8.7 | 0.7 | -0.7 |
| Average night temperature (°C) | -8.9 | -11.0 | -7.7 | 0.1 | 7.9 | 13.9 | 14.6 | 14.7 | 12.8 | 5.4 | -2.5 | -3.3 |
| Absolute minimum temperature (°C) | -26.8 | -27.2 | -17.3 | -10.8 | -0.4 | 6.5 | 10.3 | 8.0 | 6.6 | -6.4 | -14.5 | -10.9 |
| 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) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.3 | 14.1 | 12.5 | 11.0 | 9.5 | 8.8 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 3.4 | 6.3 | 7.1 | 7.8 | 10.4 | 11.9 | 12.4 | 11.1 | 8.0 | 6.2 | 5.9 | 4.2 |
| Precipitation (mm) | 40 | 54 | 71 | 163 | 39 | 45 | 133 | 42 | 88 | 119 | 25 | 21 |
| Sunny days | 17 | 15 | 13 | 9 | 19 | 16 | 6 | 17 | 13 | 12 | 22 | 18 |
| Rainy days | 4 | 3 | 5 | 17 | 12 | 14 | 25 | 14 | 17 | 16 | 5 | 8 |
| Snow days | 10 | 10 | 13 | 4 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 5 |
The best time to visit Town of Rock Falls during the most sunny months:
Months with the longest average daylight duration in Town of Rock Falls:
The largest precipitation sum in Town of Rock Falls is at