Ahtanum, WA has a mild climate overall with warm summers and cold winters. During the summer months, temperatures can reach into the high 80s Fahrenheit while in the winter temperatures can dip down below freezing. The area generally experiences low humidity with occasional thunderstorms during the summer and snowfall during the winter months. This combination of hot and cold temperatures creates an ideal climate for many outdoor activities such as hiking, biking, fishing, or camping throughout most of the year.
Ahtanum, Washington gets 9 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Ahtanum averages 18 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 201 sunny days per year in Ahtanum. The US average is 205 sunny days.
Ahtanum gets some kind of precipitation, on average, 74 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 88 degrees
Winter Low: the January low is 25
Rain: averages 9 inches of rain a year
Snow: averages 18 inches of snow a year