Average temperature in December is -5.4 °C
Average daytime temperature is -3.6 °C
Average night temperature is -7.4 °C
Absolute maximum temperature: 4.7 °C
Absolute minimum temperature: -16 °C
Number of sunny days: 5
Number of rainy days: 9
Number of snow days: 17
Precipitation sum: 59 mm
* Weather data for Tosno 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 | -3.9 | -6.7 | -7.3 | -6.3 | -6.8 | -9.8 | -10.7 | -11 | -11.1 | -10.3 | -5 | -1.9 | -1.2 | -2.2 | -4.7 | -0.3 | 3.3 | 2.3 | 4.7 | 0.4 | 0.4 | 1 | 0.6 | -1 | -2 | -2.7 | -2.5 | -1.7 | -2.7 | -3 | -8.7 |
| Apparent max temperature | -8.2 | -10.1 | -11.2 | -9.7 | -10.6 | -14.1 | -15.7 | -16.6 | -16.7 | -15.3 | -9.7 | -6.3 | -5.9 | -6.6 | -9.2 | -5.7 | -2 | -1.8 | -0.7 | -5 | -3.3 | -3.3 | -3.4 | -4.4 | -6.4 | -6.4 | -6.1 | -6 | -6.5 | -6.6 | -12.9 |
| Mean temperature | -5.9 | -8.7 | -9.3 | -8.1 | -8.3 | -13.7 | -12.7 | -13.5 | -11.9 | -11.3 | -7.5 | -4 | -1.9 | -5 | -6.9 | -3.3 | 0.8 | 0.5 | 1.7 | -1.6 | -0.2 | 0.3 | -0.6 | -1.6 | -3.1 | -4.1 | -4.5 | -4.3 | -3.3 | -4.9 | -10.3 |
| Apparent mean temperature | -10.8 | -15 | -17.4 | -14.8 | -13.7 | -20.6 | -20.4 | -21.2 | -18.6 | -17.4 | -15.9 | -10.3 | -8 | -10.4 | -12.7 | -10.7 | -7 | -7.1 | -6.6 | -9.4 | -5.6 | -6 | -6.7 | -7.4 | -8.7 | -10.2 | -9.6 | -10.9 | -9.6 | -15.4 | -17.3 |
| Minimum temperature | -7 | -10.8 | -13.2 | -10.4 | -9.5 | -16 | -15.7 | -15.7 | -13 | -12.1 | -10.8 | -5.6 | -3 | -5.9 | -8.6 | -6.4 | -1.8 | -2.1 | -0.8 | -4.9 | -1.1 | -1.3 | -2.4 | -2.8 | -4.1 | -6 | -5.6 | -6.4 | -5.2 | -9.8 | -12.2 |
| Apparent min temperature | -9.7 | -12.5 | -13.3 | -12.1 | -12.4 | -18.1 | -17.5 | -19 | -17.5 | -16.7 | -12.6 | -8.6 | -6.6 | -9.4 | -11.2 | -7.7 | -4.6 | -4 | -3.4 | -7 | -3.9 | -4.4 | -4.5 | -5.5 | -7.6 | -8.1 | -8.3 | -8.6 | -7.4 | -9.3 | -15.5 |
| 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) | 6.6 | 6.6 | 6.5 | 6.5 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.2 |
| Sunshine duration (h) | 0 | 0 | 0 | 0.5 | 0 | 0.5 | 0 | 0 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0.9 | 3.7 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0.1 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 |
| Precipitation (mm) | 1.2 | 0.3 | 0.2 | 0 | 0 | 0 | 0 | 2.6 | 0.7 | 2.3 | 3.6 | 2.5 | 3.8 | 2.8 | 0.3 | 0.9 | 3.7 | 0 | 5.4 | 0.1 | 2.3 | 6 | 5.1 | 1.3 | 1.9 | 1.1 | 0.9 | 0.2 | 5 | 3.6 | 0.8 |
| Precipitation hours | 7 | 3 | 2 | 0 | 0 | 0 | 0 | 10 | 6 | 17 | 15 | 16 | 20 | 18 | 3 | 4 | 6 | 0 | 7 | 1 | 10 | 18 | 11 | 9 | 11 | 9 | 8 | 2 | 15 | 9 | 7 |
| Wind speed (m/s) | 10.2 | 6.3 | 7.7 | 7.7 | 7.8 | 8.2 | 12 | 15 | 16.1 | 15.6 | 14.7 | 12.8 | 16 | 13 | 11.3 | 21 | 25 | 17.9 | 26 | 26.8 | 14.3 | 21.7 | 14.9 | 14.8 | 13.8 | 10.6 | 7.7 | 11.8 | 12.6 | 15 | 16.2 |
In December 2023, the highest daytime temperature in Tosno was 4.7°C.
While the minimum temperature at night dropped to -16°C.
The average nighttime and daytime temperatures during December in Tosno are -7.4°C and -3.6°C respectively.
The precipitation sum in December is about 59 mm.