Average temperature in December is -5.5 °C
Average daytime temperature is -2.8 °C
Average night temperature is -8.9 °C
Absolute maximum temperature: 3.3 °C
Absolute minimum temperature: -16.6 °C
Number of sunny days: 13
Number of rainy days: 4
Number of snow days: 14
Precipitation sum: 50 mm
* Weather data for Harstad Norway is based on climate observations for 2023 year
| Dicembre (°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 | -0.2 | -2.5 | -4.9 | -2.4 | -1.9 | -2.9 | -3.5 | -2.9 | -1.6 | -2.3 | -2.9 | -8.5 | -5.4 | -5.4 | 0.9 | 2 | 3.3 | 2 | 2.4 | -0.5 | -1.6 | -5.3 | -6.3 | -2.7 | -5 | -0.3 | 2.1 | 0.2 | -6.6 | -10.9 | -12.2 |
| Apparent max temperature | -3.5 | -6.6 | -9 | -6 | -5.6 | -8.2 | -8.7 | -9.2 | -7.5 | -7.3 | -6.8 | -13.2 | -10.5 | -10.3 | -4.4 | -1.9 | -2.5 | -2 | -1.2 | -5.2 | -6.5 | -9.3 | -9.6 | -6.5 | -9.2 | -5.7 | -2.7 | -3.5 | -10.4 | -15.7 | -17.1 |
| Mean temperature | -3.3 | -5.3 | -8.8 | -5.6 | -3 | -5.2 | -4.8 | -4.4 | -4.3 | -4.5 | -5.1 | -9.2 | -8.3 | -8.5 | -5.1 | 1.4 | 2.1 | -0.8 | 1.3 | -4.1 | -4.8 | -7.8 | -11.5 | -5.8 | -9 | -5.6 | 0.4 | -2.2 | -11.3 | -12.2 | -14.4 |
| Apparent mean temperature | -11.1 | -15.6 | -17.2 | -17.2 | -8.8 | -13.4 | -11.3 | -10.6 | -15.7 | -14.6 | -15.5 | -16 | -14.8 | -16.5 | -16.6 | -5.2 | -5.2 | -8.7 | -5.4 | -13 | -11.4 | -16.6 | -20.4 | -14.8 | -16.9 | -16.3 | -6.1 | -9.8 | -19.5 | -19.1 | -21.9 |
| Minimum temperature | -6.9 | -10.8 | -12.6 | -12.5 | -4.3 | -8 | -6.6 | -5.4 | -10.8 | -9.9 | -10.9 | -11.3 | -9.6 | -11.6 | -11.6 | 0.4 | 0.6 | -4.4 | -0.1 | -8.2 | -7.2 | -11.6 | -15.4 | -10.2 | -12.2 | -11.7 | -1.7 | -6.1 | -14.3 | -14.1 | -16.6 |
| Apparent min temperature | -7 | -9.5 | -13.2 | -10.1 | -7 | -10.4 | -9.9 | -9.7 | -9.5 | -9.4 | -9.3 | -13.9 | -13.4 | -13.4 | -10.1 | -3.7 | -3.7 | -4.7 | -3 | -8.9 | -9.2 | -12.2 | -15.9 | -10 | -13.6 | -10.8 | -4.1 | -5.8 | -16.1 | -17.1 | -19.4 |
| Dicembre | 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) | 1.2 | 0.7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sunshine duration (h) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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) | 0 | 0 | 0 | 6.4 | 2.1 | 3.3 | 2.3 | 0.2 | 0.7 | 0.1 | 0.6 | 0 | 0 | 0 | 1.4 | 14.3 | 3.5 | 0.2 | 8.1 | 0.7 | 1.1 | 0 | 0 | 1.1 | 0 | 0.6 | 3.1 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 0 | 0 | 15 | 13 | 10 | 5 | 2 | 4 | 1 | 4 | 0 | 0 | 0 | 5 | 14 | 12 | 2 | 18 | 3 | 6 | 0 | 0 | 9 | 0 | 5 | 9 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 10.6 | 10.5 | 7.2 | 12.9 | 10.9 | 17.7 | 16.3 | 22.6 | 22.9 | 16.6 | 11.3 | 11.9 | 14 | 14 | 20.6 | 27.7 | 33 | 14.3 | 30.3 | 17.4 | 18.4 | 9.9 | 7.7 | 10.1 | 9.5 | 25.7 | 18.7 | 11.7 | 9.7 | 8.7 | 9.8 |
In December 2023, the highest daytime temperature in Harstad was 3.3°C.
While the minimum temperature at night dropped to -16.6°C.
The average nighttime and daytime temperatures during December in Harstad are -8.9°C and -2.8°C respectively.
The precipitation sum in December is about 50 mm.