Average temperature in December is -5.5 °C
Average daytime temperature is -3.7 °C
Average night temperature is -7.5 °C
Absolute maximum temperature: 4 °C
Absolute minimum temperature: -15.2 °C
Number of sunny days: 6
Number of rainy days: 9
Number of snow days: 16
Precipitation sum: 58 mm
* Weather data for Saint Petersburg 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 | -4 | -8.1 | -7.5 | -6.2 | -7 | -10.9 | -10.8 | -11.3 | -11 | -10.2 | -5 | -2.8 | -0.8 | -1.2 | -4.8 | 0.8 | 2.7 | 1.8 | 4 | 1 | 0.3 | 1 | 0.7 | -1.2 | -1.3 | -2.8 | -3.8 | -1.4 | -3.2 | -3.6 | -8.5 |
| Apparent max temperature | -8.6 | -11.4 | -11.3 | -10 | -10.4 | -15.4 | -16.2 | -17.1 | -16.5 | -15.4 | -9.9 | -7.6 | -5.8 | -5.9 | -9.2 | -5.3 | -3.9 | -2.9 | -2.2 | -5.5 | -3.2 | -3.4 | -3.5 | -5.5 | -5.9 | -6.8 | -6.9 | -5.4 | -7.9 | -8.3 | -13.5 |
| Mean temperature | -7 | -8.8 | -9.4 | -7.5 | -9.7 | -13 | -12.7 | -13.5 | -11.7 | -11.2 | -7.9 | -4.4 | -1.8 | -4.5 | -6 | -3.3 | 1.2 | 0.9 | 1.8 | -0.9 | -0.4 | 0.2 | -0.4 | -3.1 | -3 | -3.9 | -6.2 | -4.1 | -3.7 | -5.8 | -9.3 |
| Apparent mean temperature | -13.8 | -13.4 | -18 | -13.2 | -16.6 | -20 | -19.2 | -20.9 | -18.9 | -17.5 | -16.4 | -10.8 | -8.2 | -10.3 | -11.3 | -11.2 | -5.9 | -6.3 | -6.7 | -8.4 | -7 | -6.5 | -6.1 | -10.1 | -8.4 | -8.9 | -13 | -11.9 | -10.6 | -16.6 | -16.4 |
| Minimum temperature | -9.7 | -9.5 | -13.4 | -8.8 | -12.5 | -14.9 | -14.3 | -15.2 | -12.8 | -11.8 | -10.8 | -5.7 | -3 | -5.4 | -7.1 | -6.9 | -0.1 | -0.8 | -0.1 | -4.3 | -3.1 | -1.4 | -1.6 | -6.1 | -3.8 | -5.1 | -8.4 | -7.3 | -5.8 | -10.4 | -11.1 |
| Apparent min temperature | -11.3 | -12.4 | -13.4 | -11.4 | -14.1 | -17.8 | -17.8 | -19.2 | -17.6 | -16.8 | -13.3 | -9.3 | -6.8 | -9.2 | -10.4 | -8 | -5.1 | -4.2 | -4.1 | -7.1 | -4.3 | -4.9 | -4.5 | -7.4 | -7.7 | -7.7 | -10.1 | -8.3 | -8.5 | -11.4 | -14.6 |
| 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) | 6.5 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6 | 6 | 6 | 6 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 6 | 6 | 6 | 6 |
| Sunshine duration (h) | 0.6 | 0.7 | 0.1 | 0 | 1.4 | 3.7 | 0 | 0 | 0.6 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 3.5 | 0 | 0 | 2.2 | 0 | 0 | 0 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation (mm) | 0.7 | 0 | 0 | 0 | 0 | 0 | 0 | 2.1 | 1.1 | 2.2 | 3.7 | 3.6 | 2.9 | 2.8 | 1.7 | 1 | 4.1 | 0.1 | 6.1 | 0.3 | 2.3 | 3.7 | 5.7 | 0.3 | 1.4 | 1 | 0.9 | 0.8 | 2.4 | 5.9 | 1.1 |
| Precipitation hours | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 7 | 18 | 12 | 17 | 20 | 19 | 8 | 3 | 5 | 1 | 8 | 2 | 12 | 18 | 11 | 3 | 12 | 9 | 8 | 8 | 12 | 14 | 9 |
| Wind speed (m/s) | 12.6 | 4.6 | 7.1 | 8.3 | 10.9 | 10.2 | 14 | 16.5 | 18.7 | 17.6 | 16.6 | 15.5 | 19.4 | 16.1 | 13.1 | 26.6 | 36.9 | 23 | 35.9 | 36.7 | 14.6 | 24.8 | 18.2 | 18.6 | 17.8 | 10.4 | 10.9 | 11.9 | 17.1 | 20.7 | 18.6 |
In December 2023, the highest daytime temperature in Saint Petersburg was 4°C.
While the minimum temperature at night dropped to -15.2°C.
The average nighttime and daytime temperatures during December in Saint Petersburg are -7.5°C and -3.7°C respectively.
The precipitation sum in December is about 58 mm.