Measurements:
°C
°F
World Resorts Japan

Japan Sea Water Temperature in April

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

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

Resort Name April 2024 April 2023 April 2022
Okinawa 76.0°F 75.6°F 76.0°F
Nagasaki 64.4°F 64.5°F 65.1°F
Atami 63.8°F 63.2°F 64.1°F
Hakone 63.5°F 63.1°F 63.8°F
Kamakura 63.4°F 63.8°F 63.0°F
Yokohama 61.7°F 63.5°F 61.5°F
Tokyo 61.4°F 63.1°F 61.6°F
Fukuoka 61.1°F 61.1°F 61.4°F
Nagoya 61.1°F 60.5°F 60.5°F
Osaka 59.6°F 60.5°F 59.4°F
Hiroshima 59.4°F 58.4°F 58.2°F
Nara 59.3°F 59.8°F 59.4°F
Kyoto 58.6°F 58.9°F 59.5°F
Kobe 58.6°F 59.0°F 58.9°F
Sapporo 44.2°F 39.4°F 37.1°F
Noboribetsu 40.7°F 39.9°F 39.4°F

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

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.