Shoreline, WA has a mild maritime climate with cool summers and mild winters. Average daytime temperatures in the summer range from the mid-60s to low 70s while overnight lows typically stay in the mid-50s. Winter temperatures are generally around 40 degrees Fahrenheit during the day and dip into the upper 30s at night. Rainfall is spread evenly throughout the year, but more concentrated in winter months, averaging around 37 inches annually.
Shoreline, Washington gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Shoreline averages 5 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 150 sunny days per year in Shoreline. The US average is 205 sunny days.
Shoreline gets some kind of precipitation, on average, 156 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 74 degrees
Winter Low: the January low is 37
Rain: averages 37 inches of rain a year
Snow: averages 5 inches of snow a year