Kahului (HI) Sunshine Hours by Month

When exploring climate, sunlight hours tell an important story. This page shows the total number of hours of direct sunlight per month and the average hours per day in Kahului, Hawaii, United States of America. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.

Monthly hours of sunshine

While the amount of sunshine in Kahului changes moderately throughout the year, the annual total remains impressive at around 2989 hours. Expect slightly brighter days in July and a subtle dip in February.

Daily hours of sunshine

This means you can enjoy sunny spells year-round. July sees up to 9.8 hours of daily sunshine, perfect for a sunny trip. February, the least sunny month, still offers a generous 7.0 hours of sun despite this cloudier / rainier time of the year.

Average percent of sunshine

On average the sun shines 74% of the time during the day in September, the highest percentage of any month. April has the lowest percentage at 62%.

Kahului enjoys an average of 2989 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.

In contrast, Brussels, Belgium, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

Stockholm, Sweden, receives approximately 1907 hours of sunshine annually.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

March, Kahului’s wettest month, receives 41 mm (1.6 in) of rainfall and has a maximum daytime temperature of 26°C (79°F). During the driest month June you can expect a temperature of 29°C (84°F).

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