Where is the sea warmest in the Baltic in February?
In February the warmest sea in the Baltic is at Rønne, Denmark, at 3.8°C. Nowhere in the region is comfortable for swimming this month — not one of the 90 cities measured reaches 19.0°C.
| # | City | Country | Sea | Swimming |
|---|---|---|---|---|
| 1 | Rønne | Denmark | 3.8°C | Dangerous |
| 2 | Koszalin | Poland | 3.6°C | Dangerous |
| 3 | Władysławowo | Poland | 3.6°C | Dangerous |
| 4 | Zelenogradsk | Russia | 3.6°C | Dangerous |
| 5 | Frederikshavn | Denmark | 3.6°C | Dangerous |
| 6 | Kragerø | Norway | 3.6°C | Dangerous |
| 7 | Svetlogorsk | Russia | 3.6°C | Dangerous |
| 8 | Darłowo | Poland | 3.5°C | Dangerous |
| 9 | Reda | Poland | 3.5°C | Dangerous |
| 10 | Gdynia | Poland | 3.5°C | Dangerous |
| 11 | Gdańsk | Poland | 3.4°C | Dangerous |
| 12 | Ustka | Poland | 3.4°C | Dangerous |
| 13 | Kołobrzeg | Poland | 3.4°C | Dangerous |
| 14 | Trzebiatów | Poland | 3.4°C | Dangerous |
| 15 | Vejle | Denmark | 3.3°C | Dangerous |
| 16 | Fredericia | Denmark | 3.3°C | Dangerous |
| 17 | Horsens | Denmark | 3.3°C | Dangerous |
| 18 | Oldenburg in Holstein | Germany | 3.3°C | Dangerous |
| 19 | Palanga | Lithuania | 3.3°C | Dangerous |
| 20 | Klaipėda | Lithuania | 3.3°C | Dangerous |
| 21 | Fehmarn | Germany | 3.3°C | Dangerous |
| 22 | Århus | Denmark | 3.2°C | Dangerous |
| 23 | Kappeln | Germany | 3.2°C | Dangerous |
| 24 | Ribnitz-Damgarten | Germany | 3.2°C | Dangerous |
| 25 | Kamień Pomorski | Poland | 3.2°C | Dangerous |
Ranked on the NOAA OISST monthly climatology — a long-run average for February, not a forecast. A given February will run warmer or cooler than this, and the sea is warmest late in the afternoon and late in the season.