Water temperature of the Baltic Sea in july Where to swim in the Baltic Sea in july 2025?

Several countries border the seaside of the Baltic Sea, including: Germany, Denmark, Estonia, Finland, Lapland, Latvia, Lithuania, Poland, Russia and Sweden. We measure the water temperature daily in these countries and archive it in order to calculate monthly averages, like those of the month of july.

The seasonal average for the water temperature in the month of july is between 53°F and 69°F. The lowest sea temperature measured this month is 33°F and the highest is 76°F.

The sea temperature map of the Baltic Sea in july

The map below presents a monthly average of the water temperature of the Baltic Sea for the month of july for several coastal cities. You can zoom and move around on the map. By clicking on the markers, you can see sea temperature details by city in july.