Spokane (WA) Sunshine Hours by Month

The amount of sunshine is fundamental to comprehending a place's climate. This page shows the total number of hours of direct sunlight per month and the average hours per day in Spokane, Washington State, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020.

Monthly hours of sunshine

Seasonal sunshine in Spokane varies. It peaks at 383 hours in July and drops to 60 hours in December. The total annual amount of sun is 2579 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Spokane. While July receives considerable daily sunshine with up to 12.8 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.0 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 79% of the time during the day in July, the highest percentage of any month. December has the lowest percentage at 22%.

Spokane enjoys an average of 2579 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.

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

In Seoul, South Korea, there are approximately 2133 hours of sunshine per year, mostly during spring and autumn.

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

December, Spokane’s wettest month, receives 9.8 mm (0.4 in) of snow/rainfall and has a maximum daytime temperature of 2°C (36°F). During the driest month July you can expect a temperature of 30°C (86°F).

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