Average Monthly Sunshine in Wailuku (HI)

The graphs on this page shows the average number of hours per month and per day that Wailuku receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Across the seasons, sunshine hours in Wailuku vary. From a high of 294 hours in July, to a low of 210 hours in February, the city offers a balanced mix of sunny and overcast days. The total annual sunshine amounts to 2999 hours.

Daily hours of sunshine

This means you will experience moderate variation in sunshine hours throughout the year. With 9.8 hours daily sunshine in July, it dips to 7.0 hours in February.

Wailuku’s total hours of sunshine compared to other major cities

Wailuku enjoys an average of 2999 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

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

Beijing, China, has 2505 hours of sunshine annually, with clear, sunny days in winter.

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

Other climate information

March, Wailuku’s wettest month, receives 22 mm of rainfall and has a maximum daytime temperature of 27°C. During the driest month June you can expect a temperature of 29°C.

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