Average temperature in January is -7.9 °C
Average daytime temperature is -4.9 °C
Average night temperature is -10.8 °C
Absolute maximum temperature: 2 °C
Absolute minimum temperature: -24.9 °C
Number of sunny days: 20
Number of rainy days: 2
Number of snow days: 9
Precipitation sum: 55 mm
* Weather data for Rock Rapids United States is based on climate observations for 2023 year
| Gennaio (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | -1 | -1.8 | -3.7 | -3.8 | -4.6 | -5.7 | -8.8 | -9.3 | -2.4 | -4.9 | -1.3 | -4.7 | -8.3 | 1.6 | 1.4 | 2 | 0.3 | -2.7 | -2.6 | -2.9 | -4.8 | -7.5 | -0.6 | -4.3 | -4.6 | -10 | 1.7 | -9.3 | -16.9 | -17.1 | -16.4 |
| Apparent max temperature | -4.8 | -5.5 | -9.9 | -10.9 | -11.3 | -10.2 | -14.6 | -14.3 | -8.4 | -10 | -6.5 | -11.6 | -13.7 | -5.8 | -3.6 | -2 | -5.2 | -8.8 | -9.6 | -7.3 | -8.2 | -11.2 | -6.9 | -9.4 | -11.4 | -16.1 | -6.2 | -14.1 | -23.1 | -23.2 | -22.4 |
| Mean temperature | -4.9 | -4.4 | -4.4 | -4.4 | -6.3 | -7.3 | -12.1 | -14.1 | -6.2 | -8.2 | -4.4 | -6.2 | -10.6 | -4.5 | 0.1 | 1.5 | -2.3 | -6.4 | -3.2 | -6 | -5.8 | -9 | -7.3 | -8 | -7.6 | -14.4 | -4.1 | -12.9 | -19.1 | -19.8 | -21.6 |
| Apparent mean temperature | -14.2 | -10.6 | -13.3 | -13.3 | -15.4 | -13.7 | -21 | -22.3 | -17.8 | -17.9 | -13.2 | -16.7 | -18.5 | -16 | -7.5 | -5.1 | -10 | -15.7 | -11.2 | -13.6 | -13.3 | -14.7 | -19.2 | -15.7 | -19.6 | -24.5 | -17.4 | -25.7 | -28.1 | -29 | -31.3 |
| Minimum temperature | -9.3 | -6.2 | -4.9 | -5.2 | -8.7 | -9.2 | -16.1 | -16.5 | -12.7 | -12.9 | -7.7 | -8.1 | -12.5 | -9.7 | -1 | 0.6 | -3.9 | -10.6 | -4 | -8.5 | -8.3 | -10.3 | -13 | -10.9 | -10.9 | -18 | -9.9 | -17.3 | -22.1 | -22.8 | -24.9 |
| Apparent min temperature | -9 | -8.8 | -11.8 | -11.9 | -13 | -12 | -16.9 | -19.5 | -12.2 | -13.4 | -10 | -13.5 | -15.7 | -11.7 | -6.2 | -3.2 | -8.3 | -12.3 | -10.6 | -11.3 | -9.7 | -13.4 | -13 | -13.2 | -14.8 | -21.1 | -12.3 | -19.9 | -26 | -25.8 | -28.1 |
| Gennaio | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 9 | 9 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.2 | 9.2 | 9.2 | 9.2 | 9.3 | 9.3 | 9.3 | 9.3 | 9.4 | 9.4 | 9.4 | 9.5 | 9.5 | 9.5 | 9.6 | 9.6 | 9.6 | 9.7 | 9.7 | 9.8 | 9.8 | 9.8 | 9.9 |
| Sunshine duration (h) | 5.8 | 0 | 0 | 0 | 3.5 | 1.6 | 6.8 | 8.1 | 8.1 | 2.1 | 4.5 | 5.4 | 2.3 | 7.1 | 8.3 | 0 | 4.4 | 0.2 | 0 | 0.8 | 5.2 | 1.1 | 5.5 | 0.7 | 2 | 7.8 | 7.1 | 1.5 | 8 | 8.8 | 8.8 |
| Precipitation (mm) | 0 | 0.9 | 22.7 | 3.7 | 1.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0.6 | 0 | 12.7 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0 | 0.5 | 4.1 | 0.5 | 0 | 0 |
| Precipitation hours | 0 | 6 | 22 | 13 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 2 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 15 | 5 | 0 | 0 |
| Wind speed (m/s) | 12.5 | 16.6 | 42.8 | 38.8 | 29.4 | 19 | 18.8 | 15.3 | 27 | 17.8 | 28 | 38.5 | 22.7 | 34.6 | 34.4 | 25.3 | 26.1 | 36.9 | 40 | 26.9 | 12.8 | 12.9 | 27.5 | 22.9 | 40.6 | 30.4 | 53.8 | 34.5 | 30.7 | 17.9 | 22.4 |
In January 2023, the highest daytime temperature in Rock Rapids was 2°C.
While the minimum temperature at night dropped to -24.9°C.
The average nighttime and daytime temperatures during January in Rock Rapids are -10.8°C and -4.9°C respectively.
The precipitation sum in January is about 55 mm.