Sea temperature and swimming season in Sweden
When the sea is warm enough to swim in 17 coastal cities in Sweden.
| City | Warmest | Coldest | Swimming season |
|---|---|---|---|
| Gothenburg | 18.3°C Aug | 2.1°C Feb | never comfortable |
| Malmö | 18.2°C Aug | 3.1°C Feb | never comfortable |
| Umeå | 16.1°C Jul | 0.1°C Feb | never comfortable |
| Helsingborg | 18.3°C Aug | 3.0°C Feb | never comfortable |
| Lund | 18.5°C Aug | 3.1°C Feb | never comfortable |
| Luleå | 17.2°C Jul | 0.0°C Mar | never comfortable |
| Gävle | 16.5°C Aug | 0.6°C Feb | never comfortable |
| Halmstad | 18.9°C Aug | 2.1°C Feb | never comfortable |
| Karlskrona | 16.9°C Aug | 3.1°C Feb | never comfortable |
| Sundsvall | 16.1°C Aug | 0.9°C Feb | never comfortable |
| Nyköping | 16.9°C Aug | 2.3°C Feb | never comfortable |
| Kalmar | 17.1°C Aug | 2.7°C Feb | never comfortable |
| Skellefteå | 15.4°C Jul | 0.1°C Feb | never comfortable |
| Örnsköldsvik | 16.4°C Aug | 0.7°C Feb | never comfortable |
| Härnösand | 16.3°C Aug | 0.9°C Feb | never comfortable |
| Visby | 18.5°C Aug | 3.1°C Feb | never comfortable |
| Saltsjöbaden | 17.4°C Aug | 2.2°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