Marietta-Alderwood, WA has a mild climate with warm summers and cool winters. The average high temperature during the summer months is in the mid-70s Fahrenheit while the average low temperature during the winter months is in the upper 30s to low 40s Fahrenheit. Precipitation levels vary throughout the year, with temperatures averaging between 30 to 50 inches of rain annually. The area experiences more rain in the winter than in the summer, with some periods of drought during mid-summer. In general, Marietta-Alderwood enjoys mild weather all year round and is an ideal location for outdoor activities like hiking, camping, fishing, and kayaking.
Marietta-Alderwood, Washington gets 34 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Marietta-Alderwood averages 7 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 156 sunny days per year in Marietta-Alderwood. The US average is 205 sunny days.
Marietta-Alderwood gets some kind of precipitation, on average, 152 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 72 degrees
Winter Low: the January low is 34
Rain: averages 34 inches of rain a year
Snow: averages 7 inches of snow a year