Water temperature of the Black Sea in october Where to swim in the Black Sea in october 2025?

Several countries border the seaside of the Black Sea, including: Bulgaria, Georgia, Romania, Russia, Turkey and Ukraine. We measure the water temperature daily in these countries and archive it in order to calculate monthly averages, like those of the month of october.

The seasonal average for the water temperature in the month of october is between 62°F and 70°F. The lowest sea temperature measured this month is 56°F and the highest is 76°F.

The sea temperature map of the Black Sea in october

The map below presents a monthly average of the water temperature of the Black Sea for the month of october 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 october.

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Where can you swim in the Black Sea in october?

Below, see the average temperatures measured in october in the different countries on the shores of the Black Sea.

Bulgaria

Sea temperature in october at the shore of the Black Sea:

64°F to 65°F

cool swimming

Georgia

Sea temperature in october at the shore of the Black Sea:

70°F

cool swimming

Romania

Sea temperature in october at the shore of the Black Sea:

65°F

cool swimming

Russia

Sea temperature in october at the shore of the Black Sea:

66°F to 68°F

cool swimming

Turkey

Sea temperature in october at the shore of the Black Sea:

65°F to 70°F

cool swimming

Ukraine

Sea temperature in october at the shore of the Black Sea:

62°F to 65°F

cool swimming

Water temperature of the Black Sea: choose another month

See monthly seasonal averages of the water temperature of the Black Sea by clicking on the links below:

Change units