Average Monthly Sunshine in Sumner (WA)

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

Monthly hours of sunshine

If you're visiting Sumner, timing is key. In July, you can enjoy up to 312 hours of sunshine, while the shorter days of November provide just 60 hours. The total annual amount of sun is 2181 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Sumner. While July receives considerable daily sunshine with up to 10.4 hours, November marks the darkest time of the year, where sunshine is scarce with only 2.0 hours of sunlight per day.

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

Sumner enjoys an average of 2181 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.

The climate in San Francisco, USA, includes 3072 hours of sunshine annually, thanks to its mild coastal weather.

Osaka, Japan, experiences 2010 hours of sunshine annually, with bright, sunny weather in spring and autumn.

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

Other climate information

November, Sumner’s wettest month, receives 26 mm of rainfall and has a maximum daytime temperature of 11°C. During the driest month July you can expect a temperature of 25°C.

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