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. Take a closer look at the water temperature patterns and what they mean for swimming and recreation.
In Honolulu, water temperatures are consistently warm throughout the year. The warmest month is August, with an average water temperature of 27°C (81°F).
The coolest month is March, with an average temperature of 24°C (75°F). This makes Honolulu a year-round destination for swimming and other water-based activities.
