Average temperature in December is 0.2 °C
Average daytime temperature is 5.9 °C
Average night temperature is -3.4 °C
Absolute maximum temperature: 14.2 °C
Absolute minimum temperature: -10.9 °C
Number of sunny days: 23
Number of rainy days: 3
Number of snow days: 5
Precipitation sum: 5 mm
* Weather data for Shelby United States 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 | 4.2 | 3.9 | 6.5 | 14.2 | 12.9 | 8.9 | 3.3 | 1.3 | 6.6 | 3.9 | 5 | 6.7 | 4.9 | 4.1 | 8.2 | 4.6 | 5.7 | 5.9 | 8.6 | 7.9 | 9.3 | 3.2 | 0.2 | 2.3 | 6.7 | 3.6 | 9.1 | 5.9 | 2.5 | 8.8 |
| Apparent max temperature | -2.2 | -0.3 | -0.9 | 1.6 | 9.8 | 9.9 | 5.3 | -1.7 | -4.2 | 0.6 | -1.7 | 1.5 | 2.8 | -1.2 | 0.2 | 1.9 | -0.5 | 2.2 | 2.5 | 5.7 | 5 | 5.2 | -1.1 | -3.8 | -2 | 1.1 | -1.3 | 3.4 | 2.5 | -1.9 | 4.2 |
| Mean temperature | -3.7 | -0.7 | 1 | 3.5 | 7.7 | 7.3 | 4.1 | -1.3 | -1.9 | 1.4 | 1.4 | -1.7 | -2.5 | -2.3 | -1.5 | 1 | 1.6 | -1.1 | 2.6 | 2.6 | 2.3 | 1.3 | 1.6 | -3.9 | -5.3 | -3.5 | -1.6 | 0.2 | 0.5 | -1.3 | -0.3 |
| Apparent mean temperature | -11.7 | -8.9 | -7.2 | -4.5 | -0.2 | 1.2 | -2.6 | -9.1 | -9.4 | -7.8 | -5.3 | -9.8 | -11 | -11.6 | -8.7 | -8 | -6.5 | -8.4 | -5 | -4.1 | -4.6 | -5.9 | -6.3 | -13.1 | -15.1 | -11.6 | -11.1 | -9.5 | -7.2 | -8.5 | -8.2 |
| Minimum temperature | -7.8 | -4.5 | -1.5 | 1.1 | 4.3 | 4.3 | 2 | -5.7 | -4.2 | -3.2 | -0.3 | -5.7 | -6.6 | -7.4 | -4.8 | -3.7 | -2.2 | -4.8 | -1.4 | -0.3 | -0.7 | -1.7 | -0.4 | -8.6 | -10.9 | -7.5 | -6.9 | -4.7 | -3.1 | -4.6 | -4.6 |
| Apparent min temperature | -8 | -5.7 | -5.2 | -2.5 | 3.6 | 4.3 | 0 | -5.1 | -6.8 | -4.3 | -3.2 | -5.7 | -6.6 | -7.1 | -5.3 | -4.1 | -3.4 | -4.8 | -1 | -0.9 | -1.2 | -2.7 | -3.7 | -8.1 | -9.4 | -8 | -6.2 | -4.5 | -3.2 | -5 | -4.2 |
| 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) | 8.6 | 8.6 | 8.6 | 8.5 | 8.5 | 8.5 | 8.5 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.4 | 8.4 |
| Sunshine duration (h) | 5.7 | 3.6 | 5.3 | 6.2 | 2.2 | 3.6 | 1.5 | 6 | 6.2 | 7 | 0 | 7.1 | 7 | 5.1 | 7 | 5.5 | 6.9 | 2.5 | 6.7 | 6.9 | 6.9 | 7 | 4.2 | 7 | 7 | 5 | 7 | 7 | 6 | 7 | 7 |
| Precipitation (mm) | 0 | 0 | 0 | 0.1 | 1.7 | 0.3 | 0.1 | 1.7 | 0.2 | 0 | 0.8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 0 | 0 | 1 | 5 | 1 | 1 | 4 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 15.5 | 20.2 | 30.2 | 40 | 24.6 | 12.1 | 21.9 | 16.6 | 19 | 29.7 | 24.6 | 14.4 | 9.8 | 20.5 | 10 | 28.4 | 24.8 | 11.3 | 14.6 | 13 | 12.5 | 15.4 | 29.9 | 10.1 | 10.5 | 24.6 | 23 | 30.6 | 16.5 | 11.3 | 18.4 |
In December 2023, the highest daytime temperature in Shelby was 14.2°C.
While the minimum temperature at night dropped to -10.9°C.
The average nighttime and daytime temperatures during December in Shelby are -3.4°C and 5.9°C respectively.
The precipitation sum in December is about 5 mm.