Average annual temperature is 3.7 °C
Absolute maximum temperature: 26.2 °C
Absolute minimum temperature: -16.6 °C
Number of sunny days: 111
Number of rainy days: 177
Number of snow days: 77
Average annual precipitation: 1092 mm
Look at detailed online map of Harstad
* Weather data for Harstad Norway is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 5.4 | 6.9 | 4.4 | 8.3 | 18 | 23.1 | 25 | 26.2 | 16.7 | 10.1 | 4.2 | 3.3 |
| Average daytime temperature (°C) | 0.2 | 1.4 | -2.3 | 4.3 | 8.1 | 13.3 | 17.1 | 17.1 | 11.6 | 3.7 | -0.1 | -2.8 |
| Average temperature (°C) | -2.2 | -0.7 | -4.4 | 2 | 5.8 | 10.4 | 14.2 | 14.4 | 10 | 2 | -2.5 | -5.5 |
| Average night temperature (°C) | -4.8 | -3.3 | -7.3 | -0.9 | 3.5 | 7.5 | 11.1 | 11.6 | 8.2 | 0.2 | -5.1 | -8.9 |
| Absolute minimum temperature (°C) | -15.1 | -12.6 | -16.3 | -8.5 | -3.4 | 0.6 | 7.9 | 8.3 | 2.9 | -2.9 | -12.7 | -16.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 5.4 | 9.5 | 13.8 | 18.2 | 24 | 24 | 24 | 20.2 | 15.3 | 11.2 | 6.9 | 1.2 |
| Daylight mean duration (h) | 3.4 | 7.6 | 11.7 | 16 | 21.5 | 24 | 23.2 | 17.7 | 13.3 | 9.2 | 4.5 | 1 |
| Daylight minimum duration (h) | 0 | 5.5 | 9.7 | 13.9 | 18.3 | 24 | 20.4 | 15.4 | 11.3 | 7 | 1.6 | 0 |
| Sunshine mean duration (h) | 0.7 | 1.5 | 7.3 | 9.9 | 6.5 | 11.4 | 13.3 | 9.5 | 5.2 | 3.9 | 2 | NAN |
| Precipitation (mm) | 125 | 192 | 87 | 75 | 122 | 73 | 38 | 75 | 135 | 81 | 39 | 50 |
| Sunny days | 7 | 4 | 6 | 9 | 3 | 12 | 15 | 11 | 4 | 11 | 16 | 13 |
| Rainy days | 11 | 15 | 2 | 16 | 28 | 18 | 16 | 20 | 26 | 16 | 5 | 4 |
| Snow days | 13 | 9 | 23 | 5 | 4 | 9 | 14 |
The best time to visit Harstad during the most sunny months:
Months with the longest average daylight duration in Harstad:
The largest precipitation sum in Harstad is at