Average temperature in December is -7.2 °C
Average daytime temperature is -5.3 °C
Average night temperature is -9.6 °C
Absolute maximum temperature: 3.5 °C
Absolute minimum temperature: -20.7 °C
Number of sunny days: 7
Number of rainy days: 8
Number of snow days: 16
Precipitation sum: 78 mm
* Weather data for Rybinsk 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 | -5 | -5 | -6.4 | -8.4 | -8.5 | -11.2 | -10.6 | -15.2 | -18.2 | -11.8 | -7.4 | -6.4 | -8.3 | -10 | -8.5 | -6.2 | 1 | 0.1 | 3.5 | 1.2 | 0.5 | 1.1 | 1.7 | 0.6 | -3 | -3 | -3 | -4.5 | -4.3 | -5.3 | -3.8 |
| Apparent max temperature | -10.1 | -8.2 | -10.7 | -12.7 | -13 | -15.4 | -14.5 | -19.7 | -24.5 | -18 | -14 | -12.5 | -15 | -16.1 | -13.6 | -10.5 | -5 | -4.3 | -2 | -3.6 | -3.8 | -4 | -2.2 | -3.5 | -6.7 | -6.4 | -7.5 | -9.4 | -9.1 | -10 | -8.1 |
| Mean temperature | -6.3 | -6.2 | -7.1 | -8.9 | -10.2 | -14.7 | -12.6 | -16.8 | -19.4 | -15.8 | -9.7 | -7.6 | -11.3 | -11 | -10.1 | -8.9 | -2.1 | -1.5 | 1.5 | -0.6 | -1.7 | -1 | 1.2 | -1.8 | -5 | -4.2 | -5.1 | -5.9 | -5.9 | -5.9 | -7.4 |
| Apparent mean temperature | -12.3 | -13.5 | -13.8 | -14.1 | -17.1 | -26.2 | -21 | -25.3 | -27 | -25.3 | -20.3 | -15 | -19.4 | -18.4 | -19.7 | -16.7 | -11.3 | -9.2 | -4.9 | -8.5 | -9.5 | -7.6 | -4.2 | -10.2 | -13.8 | -11.9 | -11.3 | -12.2 | -11.6 | -12.3 | -19.3 |
| Minimum temperature | -7.6 | -8.8 | -8.6 | -9.7 | -12.3 | -20.7 | -15.9 | -19 | -20.4 | -18.4 | -13.6 | -8.4 | -12.7 | -11.9 | -14.4 | -11.5 | -6.7 | -4.3 | 0.5 | -4.4 | -5.2 | -2.8 | 0.6 | -5.3 | -8.5 | -7.1 | -6.5 | -7.2 | -7.1 | -6.8 | -13.3 |
| Apparent min temperature | -11.1 | -9.9 | -12.2 | -13.4 | -14.7 | -19.5 | -16.9 | -22.4 | -26 | -22.6 | -16.1 | -14 | -17.8 | -17.1 | -15.4 | -13.8 | -8 | -6.3 | -3.4 | -5.7 | -5.7 | -6.2 | -3.3 | -7 | -9.3 | -8.3 | -9.7 | -10.9 | -10 | -11.2 | -12.5 |
| 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) | 7 | 6.9 | 6.9 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 | 6.7 | 6.6 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.4 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.6 |
| Sunshine duration (h) | 0 | 0 | 0 | 0.2 | 0 | 0.6 | 0.6 | 0.2 | 0.9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1.5 | 0 | 0 | 0 | 0 | 0.6 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation (mm) | 0 | 0.1 | 4.2 | 1.9 | 0.6 | 0 | 0 | 0 | 0.2 | 3.7 | 3.1 | 2.6 | 1.8 | 2.1 | 8.7 | 3.4 | 6.2 | 0 | 3.8 | 0 | 1.8 | 0.1 | 4.9 | 8.6 | 0 | 2.3 | 0.5 | 0.6 | 0.5 | 8.5 | 7.4 |
| Precipitation hours | 0 | 1 | 18 | 18 | 6 | 0 | 0 | 0 | 2 | 23 | 17 | 17 | 15 | 17 | 18 | 20 | 10 | 0 | 6 | 0 | 13 | 1 | 16 | 14 | 0 | 16 | 5 | 6 | 4 | 17 | 19 |
| Wind speed (m/s) | 15.8 | 9.7 | 18 | 11.4 | 9.2 | 11 | 9.3 | 18.2 | 20.8 | 24.9 | 23.8 | 23.9 | 22.7 | 20 | 20.8 | 14 | 29.3 | 18.8 | 27.2 | 23.5 | 16.4 | 26.6 | 23 | 23.8 | 14.4 | 12.7 | 15 | 20.9 | 17 | 20.6 | 19.7 |
In December 2023, the highest daytime temperature in Rybinsk was 3.5°C.
While the minimum temperature at night dropped to -20.7°C.
The average nighttime and daytime temperatures during December in Rybinsk are -9.6°C and -5.3°C respectively.
The precipitation sum in December is about 78 mm.