Water temperature of the Baltic Sea in january Where to swim in the Baltic Sea in january 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 january.
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 january.
The seasonal average for the water temperature in the month of january is between 31°F and 40°F. The lowest sea temperature measured this month is 28°F and the highest is 47°F.
The sea temperature map of the Baltic Sea in january
The map below presents a monthly average of the water temperature of the Baltic Sea for the month of january 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 january.
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWhere can you swim in the Baltic Sea in january?
Below, see the average temperatures measured in january in the different countries on the shores of the Baltic Sea.
Germany
37°F to 39°F
freezing swimmingDenmark
35°F to 40°F
freezing swimmingEstonia
32°F to 35°F
freezing swimmingFinland
32°F to 36°F
freezing swimmingLapland
31°F to 34°F
freezing swimmingLatvia
33°F to 38°F
freezing swimmingLithuania
38°F to 38°F
freezing swimmingPoland
37°F to 39°F
freezing swimmingRussia
32°F to 38°F
freezing swimmingSweden
31°F to 40°F
freezing swimmingWater temperature of the Baltic Sea: choose another month
See monthly seasonal averages of the water temperature of the Baltic Sea by clicking on the links below: