Chinook, WA is known for its mild climate. It experiences relatively low temperatures throughout the year, with average temperatures ranging between 40 and 50 degrees Fahrenheit. During the summer months, Chinook can experience highs in the mid 70s, while winter lows dip into the mid 30s. Chinook receives an average of 50 inches of precipitation each year, making it one of the wettest climates in Washington State. Overall, Chinook's weather is very mild and pleasant year round.
Chinook, Washington gets 81 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Chinook averages 2 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 126 sunny days per year in Chinook. The US average is 205 sunny days.
Chinook gets some kind of precipitation, on average, 201 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 67 degrees
Winter Low: the January low is 37
Rain: averages 81 inches of rain a year
Snow: averages 2 inches of snow a year