Average temperature in January is -4 °C
Average daytime temperature is 0.5 °C
Average night temperature is -7.6 °C
Absolute maximum temperature: 10.3 °C
Absolute minimum temperature: -24.1 °C
Number of sunny days: 15
Number of rainy days: 4
Number of snow days: 12
Precipitation sum: 50 mm
* Weather data for Trenton 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 | 7.7 | 2.1 | -0.5 | -0.9 | 1.9 | -3.2 | 1.1 | 2.6 | 5.7 | 4.4 | 2.5 | 2.9 | 6.6 | 7.9 | 3.8 | 10.3 | 4.5 | 0.5 | -2.3 | -4.6 | -0.7 | -1.7 | -1.8 | -0.4 | -0.9 | -0.2 | 1.9 | 1.1 | -10.1 | -15 | -8.9 |
| Apparent max temperature | 3.4 | -2.2 | -5.3 | -5.9 | -1.8 | -6.5 | -2 | -1.2 | 1.8 | 1 | -1.2 | 0 | 2.8 | 4.8 | 1 | 4.6 | 0.5 | -3.7 | -7.4 | -8.6 | -5.5 | -6.6 | -5.6 | -4.9 | -5.4 | -5.2 | -1.4 | -2.7 | -16.1 | -19.6 | -13.7 |
| Mean temperature | 1.9 | 0.6 | -1.7 | -4.8 | -3.6 | -6.8 | -3.5 | -2.6 | -0.8 | -0.5 | -1 | -0.9 | -3.6 | 2 | -0.5 | 3.1 | -0.4 | -2.4 | -4.2 | -8.2 | -4.7 | -6.4 | -8.2 | -6.7 | -4.3 | -2.9 | 0.9 | -3.9 | -15.5 | -19 | -15.9 |
| Apparent mean temperature | -5.4 | -4.5 | -9.9 | -13.1 | -12.1 | -18.7 | -10.5 | -10.7 | -10.3 | -9.8 | -9.9 | -10.1 | -13.5 | -5.8 | -8.4 | -4.6 | -7.5 | -11.6 | -13 | -16.4 | -12.2 | -15.2 | -17.2 | -14.7 | -12.4 | -10.9 | -8.2 | -15.2 | -23.9 | -29.1 | -25.3 |
| Minimum temperature | -1.8 | -0.5 | -2.8 | -8.1 | -6.8 | -13.1 | -6.1 | -6.2 | -5.3 | -5.3 | -5.2 | -5.9 | -8.4 | -1.1 | -4.7 | -1.3 | -4.1 | -5.4 | -5.9 | -11.4 | -7.9 | -10.6 | -11.4 | -10.3 | -7 | -6.1 | -2.3 | -9 | -18.9 | -24.1 | -20.1 |
| Apparent min temperature | -1.9 | -3.7 | -7.2 | -9.9 | -8.8 | -11.4 | -7.2 | -7 | -5.3 | -4.8 | -5.1 | -5.2 | -7.9 | -2 | -4 | -1.3 | -4 | -7.8 | -9.8 | -13.2 | -8.9 | -11.1 | -13.1 | -11.6 | -9.5 | -8 | -4.5 | -9 | -21.2 | -23.9 | -21.2 |
| 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) | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.6 | 9.6 | 9.6 | 9.6 | 9.7 | 9.7 | 9.7 | 9.7 | 9.8 | 9.8 | 9.8 | 9.8 | 9.9 | 9.9 | 9.9 | 10 | 10 | 10 | 10.1 | 10.1 |
| Sunshine duration (h) | 5.3 | 0 | 7 | 8 | 8.4 | 8.4 | 8 | 8.4 | 8.4 | 8 | 5 | 8.3 | 8.3 | 6.1 | 3.6 | 8.5 | 8.1 | 0 | 8.3 | 8.3 | 1.3 | 8.5 | 8.5 | 8.7 | 8.6 | 8.2 | 8.6 | 2.6 | 0.3 | 8.6 | 9.1 |
| Precipitation (mm) | 0 | 6.4 | 16 | 0 | 0 | 0 | 1.4 | 0 | 0 | 0 | 0.6 | 1.7 | 0 | 0 | 0.1 | 1.3 | 0 | 13.4 | 4.7 | 0 | 1.6 | 0 | 0 | 0 | 0 | 0.2 | 0.5 | 0.2 | 1.5 | 0.1 | 0.2 |
| Precipitation hours | 0 | 14 | 17 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 3 | 6 | 0 | 0 | 1 | 7 | 0 | 19 | 12 | 0 | 11 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 12 | 1 | 2 |
| Wind speed (m/s) | 12.4 | 18.1 | 30.3 | 19.6 | 22.7 | 14 | 8.9 | 15.3 | 15.2 | 15.3 | 18.7 | 20.4 | 13.6 | 12.8 | 13 | 22.2 | 18.2 | 24.1 | 27.9 | 14.4 | 16.3 | 15.5 | 15.8 | 19.7 | 21.3 | 21.7 | 31.9 | 27.6 | 20.5 | 11 | 14.6 |
In January 2023, the highest daytime temperature in Trenton was 10.3°C.
While the minimum temperature at night dropped to -24.1°C.
The average nighttime and daytime temperatures during January in Trenton are -7.6°C and 0.5°C respectively.
The precipitation sum in January is about 50 mm.