Average temperature in December is -1.5 °C
Average daytime temperature is 1.8 °C
Average night temperature is -4.2 °C
Absolute maximum temperature: 9.2 °C
Absolute minimum temperature: -15 °C
Number of sunny days: 20
Number of rainy days: 8
Number of snow days: 3
Precipitation sum: 47 mm
* Weather data for Mahnomen 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 | 0.7 | 1.1 | 1.8 | 0.3 | -0.6 | 7.5 | 9.2 | 6.5 | 1.5 | -3.6 | -0.9 | -2.6 | 1.9 | 6.6 | 4.7 | 2 | 0.1 | -3.9 | 1.6 | 2.5 | 3.2 | 3.6 | 5.5 | 5.1 | -0.2 | 2 | 1.8 | 1.4 | 3.2 | -1.4 | -4.1 |
| Apparent max temperature | -3.8 | -4.7 | -2.8 | -2.8 | -4.6 | 3.5 | 5.4 | 1 | -2 | -7.5 | -6.5 | -8.8 | -2.8 | 2.3 | 0.1 | -1.1 | -4.3 | -9.8 | -2.3 | -2.6 | -1.3 | 0.5 | 2.2 | 2.8 | -5.6 | -2.3 | -1.7 | -2 | -0.7 | -5.4 | -9.1 |
| Mean temperature | -3.7 | -2.8 | -1.6 | -2.5 | -3.8 | 0.5 | 2.6 | 3.3 | -1.6 | -5.7 | -4.8 | -6.2 | -4 | 1.5 | 2.2 | 0.1 | -1.9 | -9 | -3.8 | -1.4 | 0.1 | 1 | 2.4 | 3.2 | -1.5 | 1.3 | 0.5 | 0.2 | -2.5 | -3.8 | -5.7 |
| Apparent mean temperature | -10.8 | -9.4 | -8.9 | -8.2 | -9 | -9.4 | -4.1 | -2.8 | -11.8 | -16.1 | -12.8 | -16 | -12.4 | -6.4 | -3.8 | -5.6 | -8.7 | -20.2 | -15.1 | -8 | -6.9 | -4.9 | -2.5 | -5.4 | -9.5 | -7.1 | -3.6 | -4.1 | -9.3 | -10.9 | -12.1 |
| Minimum temperature | -6.5 | -4.9 | -4.2 | -4.4 | -5.1 | -5.1 | -0.9 | 1.4 | -4.9 | -11.3 | -7.5 | -10.2 | -8 | -0.9 | -0.2 | -2 | -3.5 | -15 | -9.1 | -3.1 | -1.3 | -1.3 | 1.3 | -1 | -3.8 | -0.4 | -0.3 | -1.1 | -5 | -4.9 | -7.6 |
| Apparent min temperature | -8 | -7.9 | -6.6 | -6.3 | -7.7 | -4.3 | -1.2 | -1.4 | -7.2 | -10.1 | -9.8 | -12.2 | -9 | -3.8 | -1.5 | -3.7 | -6.6 | -14.9 | -9.1 | -6.1 | -5.2 | -2.6 | -1.2 | -0.7 | -7.5 | -3.9 | -3 | -2.7 | -6.3 | -9.2 | -10.7 |
| 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) | 8.8 | 8.7 | 8.7 | 8.7 | 8.7 | 8.6 | 8.6 | 8.6 | 8.6 | 8.6 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 |
| Sunshine duration (h) | 7.5 | 3.8 | 7.5 | 0.2 | 5.2 | 7 | 7.4 | 0 | 0.1 | 0.2 | 5.6 | 7.3 | 7.3 | 7.3 | 0 | 0 | 1.2 | 7.2 | 7.1 | 6.7 | 5.4 | 0.2 | 4.4 | 0 | 0 | 0 | 0 | 0.5 | 7 | 0 | 3.7 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.8 | 5.9 | 0 | 0 | 0 | 0 | 0 | 2.9 | 2.7 | 1.5 | 0.5 | 0 | 0 | 0 | 0 | 0 | 14.3 | 4.3 | 7.6 | 5.9 | 0 | 0 | 0.9 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 15 | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 21 | 15 | 24 | 13 | 0 | 0 | 7 | 0 |
| Wind speed (m/s) | 10 | 18 | 18.7 | 10.9 | 9.9 | 21.4 | 20.7 | 24.8 | 30.5 | 22.2 | 20.3 | 23.4 | 15.1 | 21.7 | 19.3 | 15.6 | 31.6 | 30.3 | 21.4 | 14.6 | 19.8 | 13.5 | 18.4 | 19.5 | 29.8 | 28 | 12.9 | 8.9 | 11.2 | 20.8 | 21.6 |
In December 2023, the highest daytime temperature in Mahnomen was 9.2°C.
While the minimum temperature at night dropped to -15°C.
The average nighttime and daytime temperatures during December in Mahnomen are -4.2°C and 1.8°C respectively.
The precipitation sum in December is about 47 mm.