Average temperature in January is -9.8 °C
Average daytime temperature is -6.2 °C
Average night temperature is -12.8 °C
Absolute maximum temperature: 1.4 °C
Absolute minimum temperature: -26.7 °C
Number of sunny days: 23
Number of rainy days: 3
Number of snow days: 5
Precipitation sum: 10 mm
* Weather data for Hillsboro 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 | -4.2 | -5.4 | -9.5 | -8.9 | -7.4 | -9.4 | -7.9 | -3.7 | -6.7 | -3.6 | -3.6 | -6 | -7.8 | -2.2 | -0.5 | -2.1 | -4.4 | -5.8 | -4.9 | -1.3 | -3.6 | -8.6 | 0.8 | -1.3 | -3.8 | -4.1 | 1.4 | -14.5 | -18.8 | -18.7 | -15.6 |
| Apparent max temperature | -9.1 | -9.6 | -14.1 | -14 | -12.1 | -13.3 | -13.6 | -7.7 | -10.4 | -7.9 | -7.5 | -11.5 | -13.9 | -6.8 | -3.1 | -6.6 | -10.1 | -9.7 | -9.7 | -5.7 | -8 | -12.9 | -4.6 | -5.3 | -7.1 | -10.3 | -4.2 | -20.4 | -24.6 | -24.1 | -20.3 |
| Mean temperature | -6.6 | -8.8 | -12.1 | -10.7 | -9.8 | -11.1 | -11.6 | -7.7 | -10.2 | -6.6 | -4.9 | -8.1 | -10.8 | -5.6 | -3.2 | -3.4 | -7.2 | -8.4 | -5.9 | -5.6 | -6.5 | -13 | -4.4 | -6 | -11.5 | -10.6 | -6.6 | -20.2 | -22.3 | -23 | -20.4 |
| Apparent mean temperature | -13.8 | -16.7 | -19.7 | -18.5 | -16.4 | -17.6 | -18.4 | -17.4 | -18.4 | -12.5 | -11.6 | -15.2 | -16.9 | -13.1 | -9.6 | -9.4 | -14.5 | -14.5 | -12.1 | -12.6 | -15.4 | -23.2 | -16.2 | -14 | -23.2 | -20.4 | -19.3 | -30.3 | -30.9 | -32.5 | -29.6 |
| Minimum temperature | -9.1 | -12.1 | -15 | -12.9 | -11.4 | -13.1 | -13.8 | -12.5 | -13.3 | -8.3 | -5.7 | -9.5 | -12.1 | -7.5 | -5.5 | -5.3 | -8.4 | -9.6 | -6.9 | -7.8 | -10.8 | -18.2 | -10.8 | -9.8 | -16.6 | -15.4 | -13.1 | -25.2 | -25.3 | -26.7 | -24.2 |
| Apparent min temperature | -11.1 | -13.2 | -16.7 | -16 | -14.6 | -15.4 | -16.6 | -12.5 | -14.6 | -10.8 | -9.5 | -13.7 | -15.7 | -11.1 | -7.2 | -7.8 | -13.1 | -12.8 | -10.7 | -9.7 | -11 | -17.8 | -9.6 | -10.6 | -17.5 | -15.7 | -13.4 | -25.6 | -27.9 | -28.8 | -26 |
| 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) | 8.5 | 8.5 | 8.6 | 8.6 | 8.6 | 8.6 | 8.7 | 8.7 | 8.7 | 8.7 | 8.8 | 8.8 | 8.8 | 8.8 | 8.9 | 8.9 | 8.9 | 9 | 9 | 9.1 | 9.1 | 9.1 | 9.2 | 9.2 | 9.3 | 9.3 | 9.3 | 9.4 | 9.4 | 9.5 | 9.5 |
| Sunshine duration (h) | 0 | 6.4 | 0 | 5 | 0.3 | 0.4 | 0 | 7.3 | 0 | 0 | 0 | 2.6 | 0.1 | 4.1 | 5.7 | 0 | 0 | 0 | 1.9 | 0.4 | 7.9 | 4.9 | 4.1 | 3.6 | 8.1 | 4 | 6.9 | 8.3 | 8.3 | 8.4 | 8.4 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 0 | 0 | 0.7 | 0 | 2.3 | 1.8 | 0 | 0 | 0 | 0 | 0 | 0 | 1.6 | 0.5 | 0.3 | 2.2 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | 12 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 3 | 1 | 8 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 13.7 | 10.4 | 11 | 15.3 | 17.2 | 8.7 | 19.8 | 18.3 | 11.6 | 13 | 19.4 | 20.3 | 21 | 23.4 | 15.8 | 20.8 | 21 | 12.9 | 16.9 | 13.1 | 11.3 | 13.1 | 24.2 | 17.8 | 26.1 | 26.5 | 33.9 | 17.3 | 14.3 | 16.9 | 17.1 |
In January 2023, the highest daytime temperature in Hillsboro was 1.4°C.
While the minimum temperature at night dropped to -26.7°C.
The average nighttime and daytime temperatures during January in Hillsboro are -12.8°C and -6.2°C respectively.
The precipitation sum in January is about 10 mm.