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Sea Temperatures in Japan

Water temperatures in Japan and other information about traveling to Japan.
Sea temperatures for 36 locations in country Japan. The warmest water in Japan is in Yonagunijima where water has 24.3 degrees celsius. On the contrary, the lowest temperature is in Nemuro where water has only 2.9 degrees celsius. This means the difference between the warmest Yonagunijima and coldest Nemuro place in Japan is 21.4 degrees celsius.
At the moment the warmest country in Asia is Thailand where current average water temperature is 30.5°C. The coldest country at the moment is Russia with average water temperature 1.1°C. Among 20 countries in Asia, currently Japan has 15th warmest water.
The average temperature in the last month in Japan was 16.5°C, the highest temperature was 27.4°C and the lowest temperature was 0°C.
Aikawa
Current water temperature: 14.8°C
This month: 11.1°C to 14.8°C
Akita
Current water temperature: 15.5°C
This month: 12°C to 15.5°C
Chichijima
Current water temperature: 18.2°C
This month: 18°C to 23.7°C
Choshi
Current water temperature: 14.5°C
This month: 12°C to 19.8°C
Fukue
Current water temperature: 17.3°C
This month: 16.5°C to 17.8°C
Hachijojima
Current water temperature: 16.8°C
This month: 15.3°C to 20.5°C
Hakodate
Current water temperature: 11.6°C
This month: 7.8°C to 12.1°C
Hamamatsu
Current water temperature: 16.7°C
This month: 14.4°C to 17.4°C
Irozaki
Current water temperature: 16.8°C
This month: 14.9°C to 17.9°C
Ishigakijima
Current water temperature: 23.7°C
This month: 18.4°C to 26.8°C
Izuhara
Current water temperature: 15.9°C
This month: 15.4°C to 16.8°C
Kanazawa
Current water temperature: 15.7°C
This month: 12.5°C to 15.7°C
Kumejima
Current water temperature: 22.1°C
This month: 16.2°C to 23.5°C
Minamidait.
Current water temperature: 21.8°C
This month: 18°C to 25.5°C
Minamitorish.
Current water temperature: 21.9°C
This month: 21.4°C to 26.2°C
Miyakojima
Current water temperature: 21.1°C
This month: 17.6°C to 26.5°C
Murotomisaki
Current water temperature: 18.3°C
This month: 16.1°C to 18.8°C
Nagasaki
Current water temperature: 17.1°C
This month: 16°C to 17.8°C
Nago
Current water temperature: 21.4°C
This month: 16.4°C to 23.9°C
Nagoya
Current water temperature: 15.7°C
This month: 13.3°C to 15.7°C
Naha
Current water temperature: 22.1°C
This month: 16.4°C to 23.9°C
Naze
Current water temperature: 20.3°C
This month: 16.7°C to 23.3°C
Nemuro
Current water temperature: 2.9°C
This month: 0°C to 2.9°C
Okinoerabu
Current water temperature: 21.6°C
This month: 16.6°C to 23.2°C
Osaka
Current water temperature: 16.1°C
This month: 13.1°C to 16.1°C
Oshima
Current water temperature: 16.7°C
This month: 14.9°C to 19.8°C
Saigo
Current water temperature: 14.4°C
This month: 13°C to 15°C
Sapporo
Current water temperature: 8.6°C
This month: 4.8°C to 8.9°C
Sendai
Current water temperature: 14.9°C
This month: 8.1°C to 14.9°C
Shimizu
Current water temperature: 18.8°C
This month: 18.4°C to 20.4°C
Shizuoka
Current water temperature: 16.5°C
This month: 14.6°C to 17.6°C
Takamatsu
Current water temperature: 16.9°C
This month: 13°C to 16.9°C
Tanegashima
Current water temperature: 18.3°C
This month: 17.6°C to 20.5°C
Tokyo
Current water temperature: 15.0°C
This month: 13.6°C to 19.8°C
Yakushima
Current water temperature: 18.3°C
This month: 17.9°C to 20.7°C
Yonagunijima
Current water temperature: 24.3°C
This month: 20.2°C to 27.4°C
New Locations in Japan