Average temperature in December is -5.5 °C
Average daytime temperature is -3.8 °C
Average night temperature is -7.2 °C
Absolute maximum temperature: 4.3 °C
Absolute minimum temperature: -15 °C
Number of sunny days: 6
Number of rainy days: 10
Number of snow days: 15
Precipitation sum: 59 mm
* Weather data for Gatchina 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 | -8.2 | -8 | -6 | -7.9 | -10.8 | -10.6 | -11.3 | -11.2 | -10 | -5.2 | -2.4 | -0.4 | -1 | -5 | 0.7 | 3.2 | 1.9 | 4.3 | 0.1 | -0.1 | 0.8 | 0.3 | -1.4 | -2.6 | -2.6 | -2.1 | -1.8 | -2.5 | -2.8 | -9.3 |
| Apparent max temperature | -9 | -12 | -11.6 | -9.8 | -11.9 | -15.4 | -15.7 | -16.8 | -16.7 | -15.2 | -10 | -6.9 | -5 | -5.2 | -9.6 | -5.1 | -3 | -2.3 | -1.7 | -5.2 | -3.7 | -3.5 | -3.6 | -4.7 | -7.4 | -6.9 | -5.7 | -6.4 | -6.2 | -6.5 | -14.7 |
| Mean temperature | -6.1 | -9.3 | -8.6 | -7.3 | -8.9 | -12.6 | -12.5 | -13.2 | -11.8 | -11.3 | -7.8 | -4.3 | -1.4 | -4.3 | -6.4 | -2.8 | 0.8 | 0.7 | 1.5 | -1.9 | -0.5 | 0 | -0.9 | -2 | -3.6 | -3.9 | -4.4 | -4.2 | -3.3 | -5.2 | -9.9 |
| Apparent mean temperature | -13.4 | -15 | -13.9 | -13.3 | -15.3 | -19.2 | -19.7 | -20.3 | -18.4 | -17.5 | -15.8 | -10.7 | -7.4 | -9.7 | -12 | -9.7 | -7.4 | -6.5 | -7.6 | -9.5 | -6.4 | -6.9 | -6.2 | -7.8 | -9.3 | -9.4 | -9.9 | -10.5 | -9.1 | -16.4 | -16.9 |
| Minimum temperature | -9.1 | -11.1 | -10 | -9.2 | -10.5 | -14.5 | -15 | -14.7 | -12.7 | -11.8 | -10.6 | -5.8 | -2.7 | -5.4 | -7.9 | -5.1 | -1.9 | -1.3 | -1.3 | -5.1 | -1.8 | -1.7 | -2.1 | -3.7 | -4.8 | -5.1 | -5.5 | -6.2 | -4.5 | -10.5 | -10.9 |
| Apparent min temperature | -10.2 | -13.1 | -12.6 | -11.2 | -13.3 | -17.2 | -17.4 | -18.7 | -17.4 | -16.8 | -13 | -9 | -6 | -8.6 | -10.6 | -7.4 | -5.1 | -4.1 | -4.1 | -7.8 | -4.3 | -4.8 | -4.7 | -6 | -8.2 | -8 | -8.4 | -8.6 | -7.6 | -9.9 | -15.6 |
| 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) | 6.6 | 6.5 | 6.5 | 6.4 | 6.4 | 6.4 | 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 | 6 | 6 | 6.1 | 6.1 | 6.1 | 6.1 |
| Sunshine duration (h) | 0 | 0 | 0.4 | 0 | 1 | 3.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.7 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0.3 | 0 | 0 | 0 | 0 | 0 |
| Precipitation (mm) | 1.6 | 0 | 0.2 | 0 | 0 | 0 | 0 | 2.8 | 1.1 | 2.1 | 3.4 | 2.5 | 3.4 | 1.3 | 2.4 | 1.5 | 3.4 | 0.1 | 6.8 | 0.2 | 2.4 | 5.1 | 5.5 | 0 | 1.8 | 0.9 | 0.7 | 0.2 | 4.8 | 5 | 0.3 |
| Precipitation hours | 12 | 0 | 2 | 0 | 0 | 0 | 0 | 11 | 9 | 16 | 13 | 14 | 21 | 10 | 8 | 5 | 5 | 1 | 8 | 1 | 14 | 17 | 8 | 0 | 11 | 8 | 5 | 2 | 17 | 15 | 3 |
| Wind speed (m/s) | 10.5 | 7.1 | 7.2 | 6.2 | 10 | 9.2 | 11.8 | 14.7 | 16.5 | 16.4 | 15.7 | 13.6 | 16.4 | 13.1 | 12 | 24.7 | 29.4 | 22.4 | 29.8 | 31.6 | 15 | 23 | 14.9 | 14.9 | 14.9 | 11.4 | 10.2 | 14 | 14.8 | 17.6 | 18.7 |
In December 2023, the highest daytime temperature in Gatchina was 4.3°C.
While the minimum temperature at night dropped to -15°C.
The average nighttime and daytime temperatures during December in Gatchina are -7.2°C and -3.8°C respectively.
The precipitation sum in December is about 59 mm.