Clayton, WA has a mild climate throughout the year. Winters in Clayton are usually cool and wet, with occasional snowfalls in December and January. Summers are generally warm and dry, with temperatures ranging from the high 60s to the high 80s during the day. Rainfall is fairly consistent throughout the year, with an average of about 30 inches annually. The area also experiences some strong winds in spring and fall, which can make temperatures cooler or warmer than usual. Overall, Clayton's climate is moderate and comfortable for most of the year.
Clayton, Washington gets 22 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Clayton averages 51 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 174 sunny days per year in Clayton. The US average is 205 sunny days.
Clayton gets some kind of precipitation, on average, 111 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 83 degrees
Winter Low: the January low is 21
Rain: averages 22 inches of rain a year
Snow: averages 51 inches of snow a year