Average temperature in December is -11.6 °C
Average daytime temperature is -7.8 °C
Average night temperature is -15.4 °C
Absolute maximum temperature: 3.7 °C
Absolute minimum temperature: -24.1 °C
Number of sunny days: 17
Number of rainy days: 1
Number of snow days: 13
Precipitation sum: 51 mm
* Weather data for Sisimiut Greenland 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 | 3.7 | -2.5 | -2.4 | -5.5 | -6.9 | -3 | -0.2 | -5.4 | -6.4 | -2.3 | 0.6 | 0.4 | -7.8 | -9.9 | -12.6 | -16.3 | -10.1 | -7.9 | -10.6 | -13.3 | -7.3 | -8.3 | -16.1 | -13.4 | -17 | -10.1 | -7.3 | -12.1 | -16 | -8.3 | -7.9 |
| Apparent max temperature | 0 | -6.5 | -6.7 | -9.7 | -11.4 | -7.8 | -4.5 | -10.4 | -11.1 | -8.5 | -6.2 | -6 | -13.6 | -14.8 | -20.1 | -21.4 | -16.9 | -16.1 | -15.4 | -19.9 | -12.9 | -17 | -22.1 | -19.1 | -24.3 | -15.1 | -12.2 | -18.8 | -21.2 | -15.4 | -14.4 |
| Mean temperature | -0.8 | -7.1 | -4.6 | -8.6 | -9.3 | -10.4 | -2.1 | -9.2 | -9.7 | -4.4 | -1.4 | -3.6 | -8.7 | -13.1 | -17.5 | -20.5 | -15.9 | -10.4 | -12.7 | -19.2 | -8.9 | -16.5 | -19.9 | -16.8 | -20.6 | -14.6 | -10.5 | -16.8 | -20.8 | -12.6 | -12.8 |
| Apparent mean temperature | -9.6 | -15 | -11.6 | -16.7 | -16.6 | -22.7 | -13.2 | -18.8 | -18.7 | -16.9 | -9.2 | -14.2 | -16.3 | -22.3 | -28.6 | -28.5 | -30.1 | -21.3 | -25.8 | -27.7 | -19 | -26.7 | -28.1 | -25.9 | -29.5 | -24.9 | -19 | -26.7 | -30.2 | -28.6 | -22.9 |
| Minimum temperature | -4.7 | -9.8 | -7 | -10.9 | -11 | -17.1 | -7.9 | -13.1 | -13 | -10.7 | -3.2 | -7.9 | -10.5 | -15.8 | -22.4 | -22.5 | -24 | -12.3 | -19.5 | -21.5 | -12.4 | -20.6 | -22.1 | -20.2 | -23.2 | -18.1 | -12.7 | -20.7 | -24.1 | -22.7 | -16.5 |
| Apparent min temperature | -5.1 | -11.8 | -8.9 | -13.5 | -14 | -15.4 | -6.8 | -14.6 | -14.9 | -10.5 | -8 | -10 | -14.7 | -19.2 | -24.5 | -26.2 | -22.7 | -19 | -19.7 | -25.4 | -15.8 | -22.4 | -25.7 | -22.5 | -27 | -20.5 | -16.3 | -23.2 | -26.4 | -19.6 | -19.4 |
| 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) | 3.4 | 3.3 | 3.2 | 3.1 | 2.9 | 2.8 | 2.7 | 2.6 | 2.5 | 2.4 | 2.3 | 2.2 | 2.1 | 2 | 1.9 | 1.8 | 1.7 | 1.7 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.7 | 1.7 | 1.8 | 1.8 | 1.9 | 2 | 2.1 |
| Sunshine duration (h) | 0 | 0.6 | 0 | 0 | 0 | 0 | 0.8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation (mm) | 1.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 8.1 | 15.6 | 3.7 | 0.8 | 0 | 0 | 2.5 | 3.8 | 1.3 | 0.1 | 5.8 | 0.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.7 | 0.2 |
| Precipitation hours | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 22 | 24 | 22 | 8 | 0 | 0 | 8 | 14 | 13 | 1 | 24 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 2 |
| Wind speed (m/s) | 20.4 | 13.2 | 9.4 | 15.4 | 15 | 11.6 | 11.1 | 15.5 | 14.4 | 26.2 | 43.2 | 36.8 | 28 | 28.5 | 25.8 | 16.6 | 36.3 | 47.8 | 44.8 | 18.9 | 36.8 | 36.5 | 15.1 | 15.3 | 22.6 | 21.8 | 21.7 | 20.8 | 14.3 | 26.2 | 23.1 |
In December 2023, the highest daytime temperature in Sisimiut was 3.7°C.
While the minimum temperature at night dropped to -24.1°C.
The average nighttime and daytime temperatures during December in Sisimiut are -15.4°C and -7.8°C respectively.
The precipitation sum in December is about 51 mm.