Kailua 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 Kailua, United States of America. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

Across the seasons, sunshine hours in Kailua vary. From a high of 306 hours in July, to a low of 199 hours in December, the city offers a balanced mix of sunny and overcast days. The total annual sunshine amounts to 3036 hours.

Daily hours of sunshine

Enjoy up to 10.2 hours of daily sun in July, and experience slightly darker atmosphere in December, with about 6.6 hours of daily sunlight.

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%.

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

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

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

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

December, Kailua’s wettest month, receives 32 mm (1.3 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 Kailua Precipitation page.