Monthly weather forecast and climate
Wainaku, HI

Average sea temperature - Wainaku, HI

The best month for swimming (with the highest average sea temperature) is September (79.3°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).

Average daylight - Wainaku, HI

The month with the longest days is June (Average daylight: 13.3h).
The month with shortest days is December (Average daylight: 11h).

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