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 (HI) 3-Day Forecast

10-Day Forecast

More climate data for Honolulu

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Honolulu climate overview or explore weather in the United States of America.

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