Medical Lake, WA has a humid subtropical climate typical of the Pacific Northwest. The summers are typically hot and dry with temperatures reaching up to 90°F on average while the winters are cold and wet with temperatures dropping as low as 28°F on average. July is usually the hottest month while January is usually the coldest. Rainfall averages at around 25 inches annually, most of which falls during the winter months when snowfall can also be seen occasionally.
Medical Lake (zip 99022), Washington gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Medical Lake (zip 99022) averages 44 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 Medical Lake (zip 99022). The US average is 205 sunny days.
Medical Lake (zip 99022) gets some kind of precipitation, on average, 103 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 23
Rain: averages 18 inches of rain a year
Snow: averages 44 inches of snow a year