Measurements:
°C
°F
World Resorts Japan

Japan Sea Water Temperature in January

The Japan resorts with the warmest sea water temperature in January are Okinawa, Kamakura and Atami.

Below you can see a list of all popular Japan resorts and information about sea water temperature in January for the last two years.

Resort Name January 2024 January 2023 January 2022
Okinawa 75.3°F 74.3°F 74.0°F
Kamakura 63.4°F 61.7°F 59.3°F
Atami 63.4°F 62.0°F 60.4°F
Hakone 63.3°F 61.9°F 60.0°F
Nagasaki 61.7°F 63.0°F 61.5°F
Fukuoka 58.7°F 57.3°F 57.8°F
Hiroshima 57.8°F 56.6°F 56.5°F
Nagoya 56.4°F 55.7°F 53.8°F
Yokohama 55.9°F 56.1°F 53.4°F
Tokyo 54.4°F 53.4°F 51.5°F
Kobe 54.2°F 53.0°F 52.9°F
Osaka 54.1°F 51.8°F 52.1°F
Nara 53.9°F 51.9°F 52.8°F
Kyoto 53.3°F 51.9°F 54.5°F
Sapporo 42.6°F 28.1°F 28.4°F
Noboribetsu 41.4°F 41.3°F 39.3°F

Please see following sea water temperature averages charts for the warmest Japan resorts in January.

You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.