Water temperature of the Sea of Japan in june Where to swim in the Sea of Japan in june 2025?
Several countries border the seaside of the Sea of Japan, including: South Korea, Japan and Russia. We measure the water temperature daily in these countries and archive it in order to calculate monthly averages, like those of the month of june.
Several countries border the seaside of the Sea of Japan, including: South Korea, Japan and Russia.
We measure the water temperature daily in these countries and archive it in order to calculate monthly averages, like those of the month of june.
The seasonal average for the water temperature in the month of june is between 49°F and 72°F. The lowest sea temperature measured this month is 43°F and the highest is 79°F.
The sea temperature map of the Sea of Japan in june
The map below presents a monthly average of the water temperature of the Sea of Japan for the month of june 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 june.
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWhere can you swim in the Sea of Japan in june?
Below, see the average temperatures measured in june in the different countries on the shores of the Sea of Japan.
South Korea
67°F to 71°F
pleasant swimmingJapan
55°F to 72°F
pleasant swimmingRussia
49°F to 57°F
freezing swimmingWater temperature of the Sea of Japan: choose another month
See monthly seasonal averages of the water temperature of the Sea of Japan by clicking on the links below: