Average temperature in December is -3.2 °C
Average daytime temperature is -1.3 °C
Average night temperature is -5.5 °C
Absolute maximum temperature: 3.1 °C
Absolute minimum temperature: -11.6 °C
Number of sunny days: 4
Number of rainy days: 18
Number of snow days: 9
Precipitation sum: 86 mm
* Weather data for Trosna Russia 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 | -1.8 | -4.6 | 0.9 | -5 | -4.7 | -5.7 | -6.6 | -7.2 | -6.2 | -5.4 | -3.2 | -1.4 | -4.7 | 0.5 | 0.8 | -3.6 | 1.5 | 1.4 | 1.7 | 1.6 | 1.2 | 0.8 | 0.6 | -1.4 | 1.8 | 1.7 | 2.2 | -1 | 1.9 | 3.1 | 2 |
| Apparent max temperature | -5.7 | -9.6 | -3.7 | -10.3 | -9.5 | -10.2 | -12.3 | -13.5 | -11.4 | -10.6 | -9.1 | -7.2 | -11.2 | -7.8 | -5.8 | -9.6 | -5.6 | -4 | -3.8 | -3.3 | -3.4 | -4.7 | -4.4 | -6.4 | -3.7 | -4 | -3.7 | -6.7 | -2.7 | -1.4 | -3.8 |
| Mean temperature | -3.8 | -5.9 | -2.8 | -7.7 | -5.4 | -9 | -7.9 | -8 | -7.1 | -6.2 | -5.3 | -3.3 | -8.5 | -6.5 | -6 | -5 | -0.1 | 1 | 1.1 | 1.1 | 0.6 | -0.4 | -1.4 | -2.8 | -1.6 | 0.8 | 0.1 | -3.1 | 1.2 | 2.4 | 0.7 |
| Apparent mean temperature | -11.5 | -11 | -13.7 | -15.8 | -11.3 | -16.8 | -16.7 | -16.1 | -13.5 | -12.5 | -12.6 | -11.7 | -17.7 | -17.3 | -18.6 | -13 | -9.6 | -5.6 | -6.1 | -5.3 | -6.5 | -8.6 | -7.4 | -11.2 | -9.7 | -5.6 | -8.9 | -11.4 | -6.8 | -3.8 | -11.1 |
| Minimum temperature | -5.9 | -6.8 | -7.1 | -9.9 | -7.2 | -11.4 | -11.3 | -9.4 | -8 | -7.2 | -7.1 | -4.7 | -10.9 | -10.7 | -11.6 | -6.3 | -4.1 | 0.4 | 0.6 | 0.3 | -1.2 | -2.5 | -2.5 | -6 | -3.4 | -0.8 | -2.7 | -6.8 | -1.2 | 1.2 | -5.8 |
| Apparent min temperature | -9.1 | -10.2 | -9 | -13.6 | -10.5 | -13.6 | -13.9 | -14.7 | -12.6 | -11.5 | -11.3 | -9.7 | -15.4 | -14.4 | -13.1 | -11.1 | -6.9 | -4.4 | -4.8 | -4 | -4.2 | -6.3 | -6.1 | -8.1 | -7.2 | -4.8 | -5.8 | -8.4 | -3.9 | -2.8 | -5.1 |
| 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) | 8 | 8 | 8 | 7.9 | 7.9 | 7.9 | 7.9 | 7.8 | 7.8 | 7.8 | 7.8 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 |
| Sunshine duration (h) | 0 | 0 | 0 | 0 | 1 | 0.9 | 0.3 | 4.3 | 0 | 0 | 0 | 0 | 0 | 0 | 1.2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.4 | 0 | 1 | 4.6 | 0 | 1.2 | 0.2 |
| Precipitation (mm) | 7.7 | 0.3 | 9.4 | 0.2 | 0.3 | 0 | 0 | 3.3 | 2.2 | 1 | 1.9 | 5.2 | 0.7 | 23.7 | 0.8 | 0.3 | 2.1 | 0.5 | 1.2 | 6.3 | 0 | 5.7 | 1.2 | 2.1 | 1.5 | 1.7 | 1.9 | 0.7 | 0 | 2.4 | 1.9 |
| Precipitation hours | 11 | 2 | 18 | 2 | 3 | 0 | 0 | 9 | 7 | 10 | 6 | 22 | 6 | 17 | 3 | 3 | 7 | 4 | 6 | 13 | 0 | 10 | 3 | 12 | 9 | 9 | 8 | 5 | 0 | 8 | 11 |
| Wind speed (m/s) | 20.4 | 16.9 | 32.8 | 23.4 | 21.3 | 12.6 | 23.7 | 27.2 | 21.9 | 17.7 | 23.4 | 29.4 | 29 | 46.5 | 38.5 | 27.3 | 40.5 | 27.8 | 35.9 | 25.6 | 27.5 | 29.5 | 20.9 | 22.1 | 27.7 | 33.1 | 40.5 | 29.7 | 25 | 26.5 | 30.4 |
In December 2023, the highest daytime temperature in Trosna was 3.1°C.
While the minimum temperature at night dropped to -11.6°C.
The average nighttime and daytime temperatures during December in Trosna are -5.5°C and -1.3°C respectively.
The precipitation sum in December is about 86 mm.