Kapolei (HI) Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Kapolei, Hawaii, United States of America. The figures are based on a 30-year period (1990–2020) to provide a reliable average.

Monthly hours of sunshine

Kapolei experiences sunny spells throughout the year. The sunniest month, July, sees up to 306 hours of sunshine, while December, the least sunny month, still provides a respectable 199 hours. The total annual sunshine amounts to 3036 hours.

Daily hours of sunshine

This means you will experience moderate variation in sunshine hours throughout the year. With 10.2 hours daily sunshine in July, it dips to 6.6 hours in December.

Average percent of sunshine

On average the sun shines 76% of the time during the day in August, the highest percentage of any month. December has the lowest percentage at 59%.

Kapolei enjoys an average of 3036 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

Manchester, UK, experiences just around 1420 hours of sunshine annually.

Oslo, Norway, receives approximately 1690 hours of sunshine annually.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

December, Kapolei’s wettest month, receives 18 mm (0.7 in) of rainfall and has a maximum daytime temperature of 26°C (79°F). During the driest month July you can expect a temperature of 28°C (82°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Kapolei Precipitation page.