Water temperature in Kapolei (HI) in July

Is it warm enough to swim in Kapolei in July? Average water temperature in Kapolei in July is 79.7°F and therefore suitable for comfortable swimming. The warmest sea in Kapolei in July is 82.8°F, and the coldest is 77.4°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Kapolei

Changes water temperature in Kapolei in July 2025, 2024

To get an accurate forecast for the water temperature in Kapolei for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Kapolei, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of July.

Average water temperature in Kapolei in July over a decade

You can also view information about water temperature for other months by clicking on the month button below

The nearest locations with the average water temperature in July. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

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Our report for Kapolei is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.