Average temperature in December is 2.3 °C
Average daytime temperature is 11 °C
Average night temperature is -3.5 °C
Absolute maximum temperature: 18.6 °C
Absolute minimum temperature: -11.7 °C
Number of sunny days: 22
Number of rainy days: 8
Number of snow days: 1
Precipitation sum: 39 mm
* Weather data for Reserve 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 | 5.2 | 6.1 | 12.3 | 10.2 | 16.7 | 15.3 | 14.2 | 13.3 | 7.7 | 12.8 | 14.6 | 13.5 | 13.1 | 10.7 | 12.4 | 14 | 18.6 | 14.4 | 14 | 12.2 | 13.9 | 10.1 | 6.6 | 8.1 | 5.1 | 4.9 | 6.4 | 7.7 | 10.2 | 8.5 | 7.3 |
| Apparent max temperature | 1 | 2.6 | 9.3 | 7.1 | 13.4 | 12 | 10.1 | 8.6 | 3.5 | 9 | 10.6 | 9.1 | 8.4 | 7 | 8.1 | 10.8 | 14.6 | 10.6 | 9.8 | 9 | 11.4 | 7.8 | 5 | 5 | 1.1 | 0.6 | 2.9 | 3.8 | 6.8 | 4.7 | 3.6 |
| Mean temperature | 2 | -0.3 | 0.9 | 1.6 | 4 | 5.7 | 6.6 | 6 | 0.9 | 0.9 | 4.3 | 5.4 | 5 | 3.3 | 2.7 | 3.7 | 5.3 | 5.6 | 6.9 | 5 | 4.7 | 4.4 | 4 | 0.4 | -4.1 | -4.9 | -3.8 | -2.4 | -2.3 | 0.3 | 0.2 |
| Apparent mean temperature | -6.2 | -9.5 | -10.1 | -9.1 | -8.8 | -4 | -2.4 | -3 | -7.5 | -8.3 | -6.2 | -3.6 | -4.1 | -5.4 | -6.4 | -5.5 | -5.8 | -4.6 | -2.2 | -2.8 | -4 | -3.4 | -1.8 | -7.9 | -15.9 | -16.4 | -15.1 | -13.4 | -13.7 | -10.8 | -11.6 |
| Minimum temperature | -2.4 | -5.8 | -5.9 | -4.7 | -4.4 | -0.2 | 0.5 | 0.9 | -2.8 | -4.1 | -2.3 | -0.2 | -0.9 | -2.3 | -2.9 | -1.5 | -1.8 | -0.4 | 1.4 | 0.3 | -0.7 | -0.3 | 1 | -4 | -10.9 | -11.7 | -10.5 | -8.6 | -8.7 | -6 | -7.2 |
| Apparent min temperature | -1.6 | -3.6 | -2.6 | -2.2 | 0.5 | 2.4 | 3.3 | 2 | -3.7 | -3.2 | 0.5 | 1.9 | 1.4 | 0 | -1 | 0.2 | 1.5 | 1.8 | 3.6 | 2 | 2 | 1.7 | 1.6 | -2.8 | -8.4 | -9.1 | -8.1 | -6.8 | -6.6 | -4 | -3.5 |
| 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) | 10.1 | 10.1 | 10.1 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 |
| Sunshine duration (h) | 6.7 | 9.2 | 9.1 | 9.1 | 8.6 | 9.1 | 8.5 | 9.1 | 9.1 | 9 | 8.9 | 8.2 | 8.8 | 9 | 9 | 9 | 9 | 7.1 | 3.7 | 2.5 | 8.1 | 4.2 | 5.9 | 8.5 | 8.7 | 9 | 9 | 8.4 | 8.9 | 8.8 | 9 |
| Precipitation (mm) | 1.3 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.5 | 0.8 | 0 | 0 | 0 | 0 | 0.1 | 0.4 | 0.1 | 2.7 | 32.8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 3 | 1 | 6 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 12.6 | 8.7 | 7.9 | 10.1 | 10.6 | 10 | 15 | 17.1 | 19.2 | 8.6 | 8.4 | 14 | 22.1 | 16.2 | 13.7 | 7.3 | 8 | 11.8 | 12.8 | 13.4 | 9 | 13.3 | 12.1 | 9.9 | 10.5 | 9.7 | 10 | 10.3 | 10.7 | 10.5 | 8.9 |
In December 2023, the highest daytime temperature in Reserve was 18.6°C.
While the minimum temperature at night dropped to -11.7°C.
The average nighttime and daytime temperatures during December in Reserve are -3.5°C and 11°C respectively.
The precipitation sum in December is about 39 mm.