Average temperature in December is 1.6 °C
Average daytime temperature is 7.5 °C
Average night temperature is -2.3 °C
Absolute maximum temperature: 15.9 °C
Absolute minimum temperature: -5.6 °C
Number of sunny days: 20
Number of rainy days: 8
Number of snow days: 3
Precipitation sum: 45 mm
* Weather data for Trenton United States is based on climate observations for 2023 year
| December (°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 | 1.7 | 9.3 | 8 | 13.2 | 10.2 | 15.9 | 15.9 | 10.4 | 6 | 9.2 | 10.7 | 3.1 | 2.7 | 4.3 | 7.5 | 10 | 12.5 | 7.7 | 13.4 | 7.7 | 8.5 | 12.5 | 12.8 | 10.8 | -0.8 | -1 | 1.9 | 0.9 | 3.3 | 5.4 | -1.4 |
| Apparent max temperature | -2.4 | 4.1 | -0.2 | 9.4 | 7 | 13.7 | 11.4 | 5.7 | 1.8 | 4.1 | 6.6 | -2.1 | -1.3 | -0.7 | 3 | 5.5 | 7.6 | 2.3 | 9.7 | 4.8 | 5.1 | 9.6 | 9.1 | 8 | -8 | -6.7 | -3 | -2.8 | -0.3 | 1.2 | -5.1 |
| Mean temperature | -2.4 | 0.6 | 2.5 | 2.8 | 3.7 | 6.2 | 5.7 | 7.3 | 2.3 | 0.5 | 1.3 | 0.5 | -1.2 | 1.5 | 2.2 | 2.1 | 3.8 | 1.2 | 2.3 | 2 | 1.4 | 3.5 | 5.5 | 3.7 | -2.2 | -2.5 | 0 | -0.7 | -2.4 | -0.7 | -3.6 |
| Apparent mean temperature | -9.2 | -7.8 | -7.3 | -7.4 | -5.2 | -2.6 | -6 | -2 | -7.7 | -9.3 | -7.4 | -6.5 | -8 | -3.7 | -5.1 | -7.7 | -5 | -8.6 | -7 | -5.3 | -6.1 | -4.9 | -2.9 | -8.9 | -10.9 | -11.7 | -7.6 | -7.9 | -10 | -8.2 | -9.8 |
| Minimum temperature | -5.3 | -3.3 | -1.7 | -2.4 | -1.3 | 1.7 | -2.2 | 2.2 | -1.2 | -4.6 | -3 | -2 | -4.1 | -0.2 | -1.7 | -3.2 | -0.3 | -5 | -3.1 | -1.8 | -2 | -0.7 | 1 | -0.8 | -3.5 | -3.7 | -1.8 | -2.6 | -5.3 | -3.9 | -5.6 |
| Apparent min temperature | -6.3 | -3.9 | -3.9 | -2.3 | -0.2 | 2.5 | 2 | 2.3 | -3.9 | -4.4 | -3.2 | -3.9 | -5.2 | -2.6 | -1.7 | -2.7 | -0.9 | -3.1 | -1.7 | -1.5 | -2.3 | -0.2 | 2 | -1.7 | -9.5 | -9.5 | -5.2 | -5.2 | -7.1 | -4.8 | -7.6 |
| December | 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) | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.4 |
| Sunshine duration (h) | 7.3 | 7.8 | 7.9 | 6.7 | 8.2 | 8.4 | 8.4 | 2.1 | 8.4 | 6.8 | 8.3 | 7.4 | 2.3 | 1 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 3.4 | 3.3 | 8.3 | 2.8 | 0 | 0 | 0 | 0.2 | 5.9 | 8.3 | 8.2 | 2.9 |
| Precipitation (mm) | 0 | 0.4 | 0.1 | 0 | 0.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.7 | 5.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 22.9 | 2.6 | 8.8 | 2.8 | 0.8 | 0 | 0 | 0 |
| Precipitation hours | 0 | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 17 | 14 | 24 | 17 | 7 | 0 | 0 | 0 |
| Wind speed (m/s) | 10.4 | 17.2 | 39.7 | 22 | 18.8 | 16.3 | 16.6 | 25.7 | 33.2 | 17.6 | 12.9 | 16 | 12 | 24.5 | 17.5 | 15.8 | 15.6 | 16.9 | 13.8 | 10.7 | 12 | 14.2 | 26.7 | 36 | 32.4 | 32.8 | 23.5 | 18.3 | 16.5 | 12.7 | 12.5 |
In December 2023, the highest daytime temperature in Trenton was 15.9°C.
While the minimum temperature at night dropped to -5.6°C.
The average nighttime and daytime temperatures during December in Trenton are -2.3°C and 7.5°C respectively.
The precipitation sum in December is about 45 mm.