Climate charts
HonoluluUnited States of America

Average monthly water temperature in Honolulu, the United States of America

On this page you find the mean water temperature over the year in Honolulu (Hawaii), the United States of America. Discover the unique water temperature patterns, from its warmest to its coolest months.

Water temperatures in Honolulu remain warm year-round, perfect for aquatic activities. The warmest month, August, has an average temperature of 27°C (81°F).

The coolest water temperature month is February, averaging 24°C (75°F). Whether you’re swimming or just enjoying the water, Honolulu offers ideal conditions year-round.

Honolulu Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Honolulu - and find the best time to visit.

Honolulu 3-Day Forecast

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