Average temperature in October is 2 °C
Average daytime temperature is 3.7 °C
Average night temperature is 0.2 °C
Absolute maximum temperature: 10.1 °C
Absolute minimum temperature: -2.9 °C
Number of sunny days: 11
Number of rainy days: 16
Number of snow days: 4
Precipitation sum: 81 mm
* Weather data for Harstad Norway is based on climate observations for 2023 year
| October (°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 | 10.1 | 7.5 | 7.1 | 5.4 | 3.8 | 4.3 | 3.7 | 4.5 | 4.6 | 3.7 | 5.6 | 4.4 | 4.1 | 3.6 | 5.2 | 5.3 | 3.8 | 3.1 | 1 | 1.8 | 5.5 | 4.1 | 1.2 | 0.6 | 2.8 | 3.5 | 3.3 | 0.9 | 0.7 | 0.6 | 0.4 |
| Apparent max temperature | 8.5 | 5.2 | 5.5 | 2.8 | -1 | 0.7 | 0 | 2 | 1.3 | 0 | 2.1 | 0 | 1.5 | -1.3 | 0.1 | 2.7 | 1.4 | 0.3 | -1.9 | -2 | 2.8 | 1.6 | -1.8 | -2.7 | -0.2 | 0.7 | 0.3 | -1.8 | -2 | -2.1 | -2.5 |
| Mean temperature | 8.1 | 6.4 | 6.5 | 3.8 | 2.8 | 2.7 | 2.2 | 2.3 | 2 | 2.2 | 3.8 | 2.6 | 2 | 2 | 4.1 | 4.1 | 1.8 | 1 | -0.9 | 0.3 | 2.6 | 0.9 | -0.8 | -1.5 | 1.7 | 2.7 | 1.7 | -0.7 | -0.7 | -1.3 | -1 |
| Apparent mean temperature | 3.6 | 2.1 | 2.9 | -1.8 | -2.9 | -3.2 | -3.2 | -3.7 | -3.7 | -2.9 | -1.3 | -2.5 | -3 | -3.6 | -1.5 | -0.5 | -4.5 | -4.4 | -6.1 | -5 | -2.6 | -3.4 | -6.3 | -6.5 | -5.3 | -1.4 | -5.2 | -5.9 | -6 | -6.7 | -6.9 |
| Minimum temperature | 6 | 4.2 | 5.6 | 2.4 | 1.9 | 0.9 | 0.6 | -0.2 | -0.2 | -0.2 | 2.7 | 1.2 | 0.6 | 0 | 3 | 1.8 | -1 | -1.3 | -2.4 | -1.1 | 0.6 | -0.5 | -2.7 | -2.7 | -1.7 | 1.5 | -1.8 | -2.2 | -2.2 | -2.8 | -2.9 |
| Apparent min temperature | 5.5 | 4.5 | 4.5 | -0.5 | -2 | -1 | -1.4 | -0.7 | -1.2 | -1.2 | 0.1 | -1.2 | -1.2 | -2.5 | -0.6 | 0.8 | -0.9 | -1.7 | -4.1 | -3.5 | -0.4 | -1.9 | -4.2 | -5 | -1.3 | -0.3 | -1.3 | -4 | -4 | -4.6 | -4.3 |
| October | 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) | 11.2 | 11.1 | 10.9 | 10.8 | 10.7 | 10.5 | 10.4 | 10.3 | 10.1 | 10 | 9.9 | 9.7 | 9.6 | 9.4 | 9.3 | 9.2 | 9 | 8.9 | 8.7 | 8.6 | 8.5 | 8.3 | 8.2 | 8 | 7.9 | 7.8 | 7.6 | 7.5 | 7.3 | 7.2 | 7 |
| Sunshine duration (h) | 0 | 1.3 | 4.2 | 3.8 | 1.7 | 4.8 | 5 | 6 | 7 | 0.4 | 0 | 6 | 7.4 | 2 | 0.9 | 0.4 | 3 | 6.5 | 6.5 | 3.7 | 6.1 | 6 | 5.7 | 5.6 | 0 | 0 | 3.7 | 2.2 | 3.8 | 3.6 | 1.7 |
| Precipitation (mm) | 8.3 | 2.4 | 7.6 | 5.5 | 8.4 | 2.2 | 13.3 | 8.5 | 0 | 0 | 2.3 | 0.1 | 1.1 | 0 | 7.7 | 7.2 | 0.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0.4 | 1.1 | 0.5 | 0.1 | 0 | 1.5 |
| Precipitation hours | 20 | 10 | 9 | 20 | 17 | 18 | 17 | 13 | 0 | 0 | 7 | 1 | 2 | 0 | 11 | 19 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 2 | 7 | 3 | 1 | 0 | 5 |
| Wind speed (m/s) | 27.5 | 8.5 | 10.1 | 23.1 | 25 | 14.4 | 14.8 | 10.8 | 12.2 | 16.8 | 16.6 | 14.2 | 9.4 | 18.7 | 22.2 | 18.1 | 7.4 | 5.6 | 6.1 | 10.9 | 10 | 7.1 | 6.4 | 6.5 | 9.7 | 10.7 | 9 | 10.7 | 9.2 | 8.4 | 9 |
In October 2023, the highest daytime temperature in Harstad was 10.1°C.
While the minimum temperature at night dropped to -2.9°C.
The average nighttime and daytime temperatures during October in Harstad are 0.2°C and 3.7°C respectively.
The precipitation sum in October is about 81 mm.