Average annual temperature is 9.4 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: -24.9 °C
Number of sunny days: 215 days
Number of rainy days: 120 days
Number of snow days: 30 days
Look at detailed online map of Rock Rapids
* Weather data for Rock Rapids 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) | 2.0 | 4.9 | 12.8 | 27.8 | 30.4 | 31.8 | 35.9 | 36.8 | 34.6 | 30.9 | 18.1 | 11.2 |
| Average daytime temperature (°C) | -4.9 | -1.8 | 2.9 | 14.5 | 24.1 | 28.2 | 28.2 | 28.8 | 26.2 | 15.8 | 9.6 | 5.1 |
| Average temperature (°C) | -7.9 | -7.0 | -2.6 | 7.8 | 17.6 | 22.5 | 22.2 | 23.0 | 20.4 | 10.9 | 4.0 | 0.3 |
| Average night temperature (°C) | -10.8 | -11.4 | -6.7 | 2.8 | 11.6 | 16.9 | 16.6 | 18.1 | 15.4 | 7.0 | -0.4 | -3.0 |
| Absolute minimum temperature (°C) | -24.9 | -23.6 | -16.6 | -5.8 | 0.7 | 8.8 | 10.5 | 10.8 | 9.3 | -6.6 | -9.7 | -7.9 |
| 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 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| 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 | 8.0 |
| Sunshine mean duration (h) | 4.0 | 7.1 | 6.9 | 9.1 | 11.9 | 12.9 | 12.4 | 11.5 | 10.1 | 7.5 | 7.1 | 5.4 |
| Precipitation (mm) | 55 | 40 | 50 | 69 | 100 | 52 | 30 | 85 | 19 | 136 | 1 | 58 |
| Sunny days | 20 | 19 | 17 | 14 | 16 | 14 | 13 | 22 | 16 | 15 | 26 | 23 |
| Rainy days | 2 | 4 | 5 | 13 | 15 | 16 | 18 | 9 | 14 | 14 | 3 | 7 |
| Snow days | 9 | 5 | 9 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 |
The best time to visit Rock Rapids during the most sunny months:
Months with the longest average daylight duration in Rock Rapids:
The largest precipitation sum in Rock Rapids is at