Average temperature in December is -6.3 °C
Average daytime temperature is -3.7 °C
Average night temperature is -9.1 °C
Absolute maximum temperature: 5.5 °C
Absolute minimum temperature: -17.4 °C
Number of sunny days: 9
Number of rainy days: 8
Number of snow days: 14
Precipitation sum: 48 mm
* Weather data for Umeå Sweden 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 | -6 | -7.1 | -7 | -7 | -10.3 | -4.9 | -1.2 | -2.7 | -5.1 | -6.7 | -5.4 | -4.1 | -7.6 | -9.4 | -4.9 | 5.5 | 3.2 | 3.7 | 3.8 | 2 | -2.3 | -1.7 | -3.9 | -4.6 | -3.3 | -6.3 | -1.3 | -6.6 | -2.9 | -4.9 | -5.8 |
| Apparent max temperature | -11 | -12.7 | -12.1 | -11.1 | -15.2 | -9 | -5.6 | -7.3 | -9.8 | -10.4 | -9.8 | -8.4 | -12.7 | -14.2 | -8.8 | 0.1 | -2.3 | -1 | -2.4 | -4 | -6.7 | -6.2 | -9.7 | -8.7 | -6.7 | -10.4 | -6.5 | -11.7 | -8 | -10.1 | -10.4 |
| Mean temperature | -7.4 | -8.7 | -8.2 | -8.2 | -13.1 | -10.4 | -2.9 | -3.9 | -6.1 | -7.5 | -6.8 | -5.5 | -9.5 | -10.4 | -7.9 | -3.4 | 2.4 | 1.6 | 1.6 | -5.6 | -8.8 | -3.6 | -4.5 | -5.7 | -5.6 | -8.2 | -6.9 | -12 | -3.9 | -5.8 | -9.7 |
| Apparent mean temperature | -14.6 | -15.9 | -17 | -15.5 | -20.9 | -17.8 | -10.3 | -9.6 | -10.9 | -13.5 | -12.7 | -12.6 | -17.8 | -17.2 | -14.7 | -20.1 | -3.7 | -4.6 | -6.1 | -17.5 | -21.5 | -13.5 | -11.7 | -12.1 | -12.8 | -14.8 | -18 | -19.8 | -10.7 | -11.5 | -17.2 |
| Minimum temperature | -8.9 | -10.4 | -11.3 | -10.6 | -15.8 | -13.5 | -6.2 | -4.9 | -6.8 | -9.2 | -8.6 | -7.5 | -12.1 | -11.7 | -10.3 | -15.1 | 1.2 | 0.3 | 0.5 | -12.8 | -17.4 | -6.9 | -5.3 | -8.1 | -8.3 | -10 | -12.5 | -14.8 | -5.7 | -6.5 | -12.1 |
| Apparent min temperature | -12.9 | -14.3 | -13.4 | -12.7 | -18 | -14.7 | -7.3 | -8.5 | -10.5 | -11.5 | -11 | -10.1 | -15 | -15.4 | -11.9 | -8.5 | -3 | -2.9 | -3.9 | -10.8 | -13.3 | -9 | -10.4 | -10.2 | -9.7 | -12.4 | -12 | -16.7 | -8.9 | -10.8 | -14.5 |
| 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) | 5.2 | 5.1 | 5 | 5 | 4.9 | 4.8 | 4.8 | 4.7 | 4.7 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.4 | 4.4 | 4.4 | 4.4 | 4.5 | 4.5 |
| Sunshine duration (h) | 0 | 0 | 0 | 0 | 2.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2.9 | 2.4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation (mm) | 0.4 | 0.9 | 0.5 | 0.1 | 0 | 0 | 6 | 3.5 | 0.9 | 0.9 | 0.5 | 1.8 | 0 | 0 | 0 | 3.5 | 0 | 0 | 2.6 | 0 | 0.8 | 2.7 | 4.3 | 1.6 | 1.6 | 0.9 | 0.5 | 0 | 11.6 | 2.4 | 0.3 |
| Precipitation hours | 4 | 9 | 5 | 1 | 0 | 0 | 20 | 22 | 9 | 9 | 5 | 18 | 0 | 0 | 0 | 7 | 0 | 0 | 5 | 0 | 5 | 16 | 24 | 11 | 9 | 9 | 4 | 0 | 24 | 18 | 3 |
| Wind speed (m/s) | 17.1 | 16.9 | 14.9 | 10.3 | 10.7 | 8.7 | 21.4 | 17 | 11.8 | 8.6 | 10.5 | 13 | 15.5 | 14.5 | 9.7 | 27.7 | 27 | 21.8 | 36.8 | 23.2 | 13.8 | 24.2 | 23.1 | 17.1 | 9.9 | 10.3 | 16.9 | 14.8 | 17.1 | 16.6 | 11.8 |
In December 2023, the highest daytime temperature in Umeå was 5.5°C.
While the minimum temperature at night dropped to -17.4°C.
The average nighttime and daytime temperatures during December in Umeå are -9.1°C and -3.7°C respectively.
The precipitation sum in December is about 48 mm.