Castle Rock (WA) 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 Castle Rock, Washington State, United States of America. This average is based on long-term data collected between 1990 and 2020.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Castle Rock. Expect long, bright days with 330 hours in July and darker periods with just 62 hours in December. The total annual amount of sun is 2342 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Castle Rock. While July receives considerable daily sunshine with up to 11.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.1 hours of sunlight per day.

Castle Rock vs Major Cities: Sunshine Compared

Castle Rock enjoys an average of 2342 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, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

Vancouver, Canada, receives approximately 1940 hours of sunshine annually.

Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.

Related Climate Data for Castle Rock

January, Castle Rock’s wettest month, receives 16 mm (0.6 in) of rainfall and has a maximum daytime temperature of 8°C (46°F). During the driest month July you can expect a temperature of 26°C (79°F).

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