Des Moines, WA has a mild climate with warm summers and cool winters. During the summer months, temperatures average around 75°F during the day and drop to lows of about 55°F at night; while in the winter, temperatures tend to range from 45-55°F during the day and drop to lows of 35-40°F overnight. The area receives an average of 37 inches of rain annually and also gets an average of 18 inches of snowfall each year. The humidity is generally low all year round, making it a pleasant climate for outdoor activities.
Des Moines, Washington gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Des Moines averages 5 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 152 sunny days per year in Des Moines. The US average is 205 sunny days.
Des Moines gets some kind of precipitation, on average, 151 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 77 degrees
Winter Low: the January low is 37
Rain: averages 39 inches of rain a year
Snow: averages 5 inches of snow a year