Where is the sea warmest in the Baltic in July?
In July the warmest sea in the Baltic is at Kronstadt, Russia, at 20.6°C. 13 of 90 cities measured are comfortable this month.
| # | City | Country | Sea | Swimming |
|---|---|---|---|---|
| 1 | Kronstadt | Russia | 20.6°C | Comfortable |
| 2 | Sestroretsk | Russia | 20.6°C | Comfortable |
| 3 | Zelenogorsk | Russia | 20.5°C | Comfortable |
| 4 | Pärnu | Estonia | 19.9°C | Comfortable |
| 5 | Klaipėda | Lithuania | 19.8°C | Comfortable |
| 6 | Świnoujście | Poland | 19.6°C | Comfortable |
| 7 | Wolin | Poland | 19.6°C | Comfortable |
| 8 | Vyborg | Russia | 19.5°C | Comfortable |
| 9 | Ādaži | Latvia | 19.4°C | Comfortable |
| 10 | Jūrmala | Latvia | 19.4°C | Comfortable |
| 11 | Primorsk | Russia | 19.3°C | Comfortable |
| 12 | Gdańsk | Poland | 19.2°C | Comfortable |
| 13 | Narva-Jõesuu | Estonia | 19.1°C | Comfortable |
| 14 | Universitäts- und Hansestadt Greifswald | Germany | 19.0°C | Bracing |
| 15 | Svetlogorsk | Russia | 18.9°C | Bracing |
| 16 | Wolgast | Germany | 18.9°C | Bracing |
| 17 | Zelenogradsk | Russia | 18.9°C | Bracing |
| 18 | Palanga | Lithuania | 18.8°C | Bracing |
| 19 | Gdynia | Poland | 18.8°C | Bracing |
| 20 | Reda | Poland | 18.7°C | Bracing |
| 21 | Oulu | Finland | 18.7°C | Bracing |
| 22 | Kamień Pomorski | Poland | 18.6°C | Bracing |
| 23 | Haapsalu | Estonia | 18.6°C | Bracing |
| 24 | Bergen auf Rügen | Germany | 18.6°C | Bracing |
| 25 | Kärdla | Estonia | 18.5°C | Bracing |
Ranked on the NOAA OISST monthly climatology — a long-run average for July, not a forecast. A given July will run warmer or cooler than this, and the sea is warmest late in the afternoon and late in the season.