Average water temperature in Honolulu
The mean water temperature over the year in Honolulu (Hawaii), the United States of America.
- On average, August has the warmest water temperature with 27°C.
- On average, March has the coldest water temperature with 24°C.
Forecast for Honolulu (HI)
partly cloudy and small chance of slight rain
partly cloudy and no rain
broken clouds and small chance of rain