Sea temperature and swimming season in Poland
When the sea is warm enough to swim in 12 coastal cities in Poland.
| City | Warmest | Coldest | Swimming season |
|---|---|---|---|
| Gdańsk | 19.9°C Aug | 3.4°C Feb | Jul – Aug (2 months) |
| Gdynia | 19.6°C Aug | 3.5°C Feb | Aug – Aug (1 months) |
| Koszalin | 19.3°C Aug | 3.6°C Feb | Aug – Aug (1 months) |
| Kołobrzeg | 19.4°C Aug | 3.4°C Feb | Aug – Aug (1 months) |
| Świnoujście | 20.3°C Aug | 2.2°C Feb | Jul – Aug (2 months) |
| Reda | 19.8°C Aug | 3.5°C Feb | Aug – Aug (1 months) |
| Ustka | 19.4°C Aug | 3.4°C Feb | Aug – Aug (1 months) |
| Władysławowo | 19.6°C Aug | 3.6°C Feb | Aug – Aug (1 months) |
| Darłowo | 19.4°C Aug | 3.5°C Feb | Aug – Aug (1 months) |
| Wolin | 20.3°C Aug | 2.2°C Feb | Jul – Aug (2 months) |
| Trzebiatów | 19.4°C Aug | 3.4°C Feb | Aug – Aug (1 months) |
| Kamień Pomorski | 19.6°C Aug | 3.2°C Feb | Aug – Aug (1 months) |
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