Harstad Climate: Weather by Month and Best Time to Visit
Best months for Harstad: July, August, June.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -2°C | -8°C | 108 mm | 15 | – | – | 2.9 |
| February | -3°C | -8°C | 96 mm | 14 | – | – | 3.1 |
| March | 0°C | -6°C | 101 mm | 16 | – | – | 2.9 |
| April | 4°C | -2°C | 77 mm | 15 | – | – | 4.0 |
| May | 9°C | 3°C | 88 mm | 16 | – | – | 4.8 |
| June | 13°C | 7°C | 91 mm | 16 | – | – | 5.4 |
| July | 16°C | 10°C | 99 mm | 15 | – | – | 6.0 |
| August | 15°C | 9°C | 102 mm | 16 | – | – | 5.7 |
| September | 11°C | 6°C | 121 mm | 17 | – | – | 4.9 |
| October | 5°C | 1°C | 116 mm | 17 | – | – | 3.9 |
| November | 2°C | -3°C | 94 mm | 15 | – | – | 3.4 |
| December | -1°C | -6°C | 111 mm | 16 | – | – | 2.8 |