Mill Creek, WA has a typically mild climate with relatively warm summers and cool winters. The area generally experiences moderate amounts of rain throughout the year, although occasional periods of heavy rainfall can occur during the spring and fall months. Temperatures in this area range from the low 30s to high 80s during the summer season and from the mid-30s to high 50s during winter. Mill Creek also tends to receive significant amounts of snowfall during the colder months of the year.
Mill Creek, Washington gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mill Creek averages 4 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 160 sunny days per year in Mill Creek. The US average is 205 sunny days.
Mill Creek gets some kind of precipitation, on average, 168 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 35
Rain: averages 41 inches of rain a year
Snow: averages 4 inches of snow a year