Sea temperature and swimming season in Iceland
When the sea is warm enough to swim in 5 coastal cities in Iceland.
| City | Warmest | Coldest | Swimming season |
|---|---|---|---|
| Reykjavík | 11.7°C Aug | 4.3°C Feb | never comfortable |
| Keflavík | 11.5°C Aug | 4.9°C Feb | never comfortable |
| Selfoss | 12.1°C Aug | 5.7°C Feb | never comfortable |
| Akranes | 11.7°C Aug | 3.3°C Feb | never comfortable |
| Ísafjörður | 9.8°C Aug | 2.4°C Mar | 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