Average temperature in January is -7.3 °C
Average daytime temperature is -3.8 °C
Average night temperature is -10.4 °C
Absolute maximum temperature: 3.1 °C
Absolute minimum temperature: -24.5 °C
Number of sunny days: 21
Number of rainy days: 2
Number of snow days: 8
Precipitation sum: 45 mm
* Weather data for Princeton 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 | 0.1 | -3.1 | -1.8 | -0.4 | -2.4 | -7.1 | -10.7 | -7.1 | -3.5 | 0.3 | -0.5 | -0.5 | -7.2 | -1.1 | 3.1 | 2.3 | 1.8 | 0.3 | -0.9 | -2.6 | -3 | -5.7 | 0.8 | -0.7 | -2.8 | -6 | -0.9 | -11.3 | -15.9 | -17.8 | -14 |
| Apparent max temperature | -3.6 | -6.3 | -7.3 | -5.9 | -7.8 | -11.5 | -15 | -11.5 | -7.5 | -2.5 | -3.4 | -4.2 | -11.6 | -6.2 | -1.2 | -1.4 | -2.7 | -3.9 | -5.8 | -6.8 | -6.7 | -9.7 | -3.3 | -5.5 | -7 | -12 | -6.2 | -17.4 | -21.5 | -23.5 | -19.6 |
| Mean temperature | -1.2 | -4.8 | -5.4 | -1.1 | -4.3 | -12.4 | -14.3 | -13.1 | -11 | -2.5 | -2.1 | -3.8 | -10.1 | -7.9 | -0.2 | 0.5 | 0.7 | -1.6 | -1.9 | -4.4 | -6 | -8.2 | -6.5 | -5 | -3.8 | -11.6 | -7.3 | -16.4 | -19.4 | -20.4 | -20.6 |
| Apparent mean temperature | -7.3 | -14.8 | -12.3 | -8 | -14.7 | -20.6 | -22.9 | -21.2 | -19.8 | -8.2 | -7.1 | -12.4 | -19.3 | -16.4 | -7.5 | -5.2 | -4.2 | -8.6 | -8.2 | -11.8 | -12.2 | -14.5 | -15.7 | -16.7 | -11 | -22.3 | -19 | -26.5 | -29.9 | -30 | -29.5 |
| Minimum temperature | -3.4 | -9.9 | -8.2 | -2 | -9.6 | -15.2 | -17.7 | -16.1 | -14.5 | -4 | -3.3 | -6.7 | -14.2 | -11 | -2.2 | -0.9 | 0.3 | -4.7 | -3 | -7.3 | -7.5 | -10 | -9.6 | -11.7 | -4.9 | -17.3 | -13.1 | -21.5 | -24.5 | -24.4 | -24 |
| Apparent min temperature | -5.1 | -8.6 | -10.4 | -6.6 | -9.3 | -17.1 | -19.2 | -18 | -15.7 | -6 | -5.3 | -8.9 | -14.7 | -13 | -5.3 | -3.5 | -3.6 | -5.7 | -7 | -8.9 | -10.4 | -12.1 | -11.3 | -9.4 | -8.3 | -16.9 | -13.6 | -21.8 | -24.7 | -26.1 | -26.2 |
| 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) | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 9 | 9 | 9 | 9.1 | 9.1 | 9.1 | 9.2 | 9.2 | 9.2 | 9.3 | 9.3 | 9.3 | 9.4 | 9.4 | 9.4 | 9.5 | 9.5 | 9.6 | 9.6 | 9.6 | 9.7 |
| Sunshine duration (h) | 2.3 | 0 | 0 | 0 | 7.3 | 6.3 | 3.1 | 7.7 | 2.9 | 0.9 | 0 | 3.7 | 7.6 | 5.6 | 6.5 | 0 | 0 | 0.3 | 0 | 0 | 1.7 | 1.4 | 1.4 | 5 | 0 | 8.4 | 5 | 7.8 | 8.5 | 8.6 | 8.6 |
| Precipitation (mm) | 0 | 0.2 | 12.5 | 12.5 | 1.7 | 0 | 0 | 0 | 0 | 0 | 2.6 | 0 | 0 | 0 | 0 | 3.6 | 4.8 | 0 | 4.7 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 1.9 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 2 | 7 | 23 | 9 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 12 | 15 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 8 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 14.6 | 11.4 | 26.9 | 23 | 20.8 | 11.8 | 12.6 | 11.4 | 12.5 | 8.8 | 7.4 | 19.8 | 13.4 | 17 | 21.5 | 13.5 | 17 | 15.5 | 21.6 | 16.7 | 12 | 8.7 | 18.9 | 16.3 | 21.6 | 19.4 | 28.6 | 16.9 | 13.7 | 14.3 | 13 |
In January 2023, the highest daytime temperature in Princeton was 3.1°C.
While the minimum temperature at night dropped to -24.5°C.
The average nighttime and daytime temperatures during January in Princeton are -10.4°C and -3.8°C respectively.
The precipitation sum in January is about 45 mm.