Sea temperature and swimming season in Norway
When the sea is warm enough to swim in 15 coastal cities in Norway.
| City | Warmest | Coldest | Swimming season |
|---|---|---|---|
| Bergen | 15.7°C Aug | 6.1°C Feb | never comfortable |
| Stavanger | 16.1°C Aug | 5.1°C Feb | never comfortable |
| Kristiansand | 17.5°C Aug | 4.7°C Mar | never comfortable |
| Sandefjord | 18.5°C Aug | 2.9°C Feb | never comfortable |
| Tønsberg | 18.5°C Aug | 2.9°C Feb | never comfortable |
| Ålesund | 15.0°C Aug | 6.2°C Mar | never comfortable |
| Moss | 18.8°C Aug | 2.6°C Feb | never comfortable |
| Haugesund | 16.2°C Aug | 5.7°C Feb | never comfortable |
| Bodø | 14.1°C Aug | 4.7°C Mar | never comfortable |
| Arendal | 17.8°C Aug | 4.4°C Feb | never comfortable |
| Grimstad | 17.8°C Aug | 4.4°C Feb | never comfortable |
| Molde | 15.0°C Aug | 6.0°C Mar | never comfortable |
| Hammerfest | 11.1°C Aug | 4.0°C Mar | never comfortable |
| Sortland | 13.0°C Aug | 4.8°C Mar | never comfortable |
| Kragerø | 18.1°C Aug | 3.6°C Feb | never comfortable |
Knowing the temperature is only half of it. What to wear, and why cold shock is the real risk →
Season uses 19°C. Why that number, and where the data comes from