Shoreline (WA) Sunshine Hours by Month

To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Shoreline, Washington State, United States of America. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.

Monthly hours of sunshine

Seasonal sunshine in Shoreline varies. It peaks at 312 hours in July and drops to 54 hours in December. The total annual amount of sun is 2171 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.4 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.8 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 65% of the time during the day in July, the highest percentage of any month. December has the lowest percentage at 20%.

Shoreline vs Major Cities: Sunshine Compared

Shoreline enjoys an average of 2171 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.

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.

Related Climate Data for Shoreline

November, Shoreline’s wettest month, receives 25 mm (1 in) of rainfall and has a maximum daytime temperature of 10°C (50°F). During the driest month July you can expect a temperature of 24°C (75°F).

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