Coulee City, WA has a semi-arid climate characterized by hot, dry summers and cold winters. The average temperature during the summer months is around 80°F, while the winter temperatures range between 30-40°F. Rainfall is minimal throughout the year, with an average of just 10 inches per year. Snowfall is also rare in Coulee City, with about 4 inches falling annually. During the hottest days of summer, temperatures can climb as high as 100°F. Due to its arid climate and low humidity levels, Coulee City is a great place for outdoor activities such as camping, hiking and fishing.
Coulee City, Washington gets 9 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Coulee City averages 18 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 189 sunny days per year in Coulee City. The US average is 205 sunny days.
Coulee City gets some kind of precipitation, on average, 83 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 89 degrees
Winter Low: the January low is 22
Rain: averages 9 inches of rain a year
Snow: averages 18 inches of snow a year