May weather forecast and climate
Itoman, Japan

Average sea temperature in May - Itoman, Japan
  • Average sea temperature in May: 24.6°C

The best month for swimming (with the highest average sea temperature) is August (28.7°C).
The coldest month (with the lowest average sea temperature) is February (20.9°C).

Average daylight in May - Itoman, Japan
  • Average daylight in May: 13.4h

The month with the longest days is June (Average daylight: 13.8h).
The month with shortest days is December (Average daylight: 10.5h).

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