Monthly Harstad water temperature chart
The bar chart below shows the average monthly sea temperatures at Harstad over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 4.8 | 4.3 | 3.8 | 4.4 | 6.3 | 9.6 | 11.9 | 12.2 | 10.6 | 8.6 | 7.7 | 6.4 |
| °F | 40.6 | 39.7 | 38.8 | 39.9 | 43.3 | 49.3 | 53.4 | 54 | 51.1 | 47.5 | 45.9 | 43.5 |
Monthly average max / min water temperatures
The graph below shows the range of monthly water temperatures over several years.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | 3.4 | 3.3 | 2.7 | 3.4 | 3.7 | 7.8 | 10.4 | 10.3 | 9 | 7.3 | 5.6 | 3.8 |
| Max °C | 6.3 | 5.4 | 5 | 5.5 | 9 | 11.5 | 13.5 | 14.2 | 12.3 | 10 | 9.9 | 9.1 |
| Min °F | 39.2 | 38.7 | 37.7 | 38.9 | 40.7 | 47.5 | 51.9 | 52.1 | 49.5 | 46.2 | 43.8 | 40.9 |
| Max °F | 42.1 | 40.8 | 40 | 41 | 46 | 51.2 | 55 | 56 | 52.8 | 48.9 | 48.1 | 46.2 |