Average temperature in January is -2.9 °C
Average daytime temperature is 1.4 °C
Average night temperature is -6 °C
Absolute maximum temperature: 14.3 °C
Absolute minimum temperature: -21.7 °C
Number of sunny days: 9
Number of rainy days: 5
Number of snow days: 17
Precipitation sum: 61 mm
* Weather data for Harrisburg United States is based on climate observations for 2023 year
| January (°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 | 7.4 | 1.6 | -2.1 | -1.4 | 0.4 | 3.8 | 3.1 | 9.2 | 8.8 | 9.6 | 3.7 | 5.3 | 11 | 14.3 | 7.9 | 6.2 | 5.6 | 0.9 | -2.1 | -3.7 | -3.1 | -2.3 | -1.7 | -2.9 | -3 | -1.3 | 1.6 | 0.4 | -11.9 | -14.9 | -6.3 |
| Apparent max temperature | 0.7 | -3.1 | -5.4 | -8.2 | -3.7 | 0.1 | -1.5 | 4.5 | 5.2 | 7 | 0.7 | -0.8 | 6.4 | 9.2 | 4.6 | 0.3 | 0.5 | -3.7 | -7.4 | -8.1 | -8.9 | -7 | -5.9 | -8.9 | -10.1 | -8.8 | -2.8 | -3.8 | -17.8 | -20.5 | -12.8 |
| Mean temperature | 2.2 | -1.6 | -3.7 | -3.8 | -4.2 | -1 | 0.4 | -0.6 | 4.4 | 4.5 | 0.4 | 0.4 | 2.6 | 6.7 | 4.2 | 2.6 | 0.3 | -2.4 | -4.7 | -7.3 | -5.5 | -4.7 | -3.9 | -5.7 | -5.6 | -4.8 | -0.9 | -4.3 | -17.1 | -19.3 | -16.2 |
| Apparent mean temperature | -2.8 | -8.2 | -9.6 | -13.9 | -13.9 | -11.5 | -6.6 | -10.9 | -4.4 | -3.3 | -4.9 | -7.3 | -6.8 | -2.7 | -4.3 | -5.7 | -8.3 | -10.4 | -14.1 | -15.4 | -13.3 | -12.7 | -11.8 | -15 | -14.8 | -14.3 | -10.2 | -16.5 | -24.7 | -26.4 | -27.4 |
| Minimum temperature | -0.1 | -3.4 | -5 | -9.2 | -8.7 | -6.7 | -2.1 | -6 | 1.7 | 1.5 | -1.2 | -2.4 | -1.7 | 1.4 | -0.8 | 0.4 | -4.3 | -3.7 | -7.2 | -10 | -7.8 | -7.1 | -6.4 | -8.1 | -8.4 | -7.1 | -2.3 | -10 | -19.2 | -21.7 | -21.3 |
| Apparent min temperature | -1.7 | -6.6 | -8.2 | -10.6 | -9.7 | -5.4 | -4.1 | -5.4 | -1.2 | 0.4 | -3 | -4.5 | -2.3 | 1.8 | 0.8 | -2.4 | -3.9 | -7.8 | -10.8 | -12.4 | -10.9 | -10.2 | -8.9 | -11.9 | -12.3 | -11.9 | -7.5 | -9.6 | -22.5 | -24.7 | -22.5 |
| January | 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) | 9.2 | 9.2 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.5 | 9.5 | 9.5 | 9.6 | 9.6 | 9.6 | 9.6 | 9.7 | 9.7 | 9.7 | 9.8 | 9.8 | 9.8 | 9.9 | 9.9 | 9.9 | 10 | 10 |
| Sunshine duration (h) | 3.7 | 0 | 6.3 | 8 | 8.1 | 4.6 | 8 | 8 | 8.1 | 6.6 | 0.1 | 8 | 8.2 | 6.1 | 0 | 8 | 7.9 | 0 | 8.1 | 6 | 7.5 | 8.1 | 2.4 | 7.7 | 7.5 | 6.8 | 3.7 | 0 | 3.6 | 7.7 | 9 |
| Precipitation (mm) | 1.2 | 5 | 8.6 | 0 | 0 | 0 | 0.2 | 0 | 0 | 0.1 | 6.1 | 0.6 | 0 | 0 | 0.5 | 3.3 | 1.5 | 23 | 1.5 | 0 | 0.4 | 0.2 | 0.3 | 0.1 | 1 | 0.9 | 0.7 | 2.9 | 1.9 | 1 | 0 |
| Precipitation hours | 8 | 16 | 16 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 12 | 5 | 0 | 0 | 5 | 9 | 4 | 22 | 3 | 0 | 4 | 2 | 3 | 1 | 8 | 7 | 7 | 14 | 14 | 8 | 0 |
| Wind speed (m/s) | 26.5 | 22.3 | 18 | 37.7 | 26.4 | 21.9 | 19.5 | 19.8 | 29.7 | 17.7 | 12.7 | 25.5 | 19.3 | 28.5 | 13.8 | 28.8 | 18.7 | 28.8 | 24.5 | 15.8 | 23 | 23.8 | 17.4 | 26.5 | 32.8 | 34.4 | 39 | 22.7 | 18.6 | 15.2 | 22.2 |
In January 2023, the highest daytime temperature in Harrisburg was 14.3°C.
While the minimum temperature at night dropped to -21.7°C.
The average nighttime and daytime temperatures during January in Harrisburg are -6°C and 1.4°C respectively.
The precipitation sum in January is about 61 mm.