Summit, WA has a cool, wet climate. Summers are generally mild with temperatures rarely exceeding 75 degrees Fahrenheit and winters can be quite cold, with temperatures as low as 25 degrees Fahrenheit. The area receives an average of 200 days of precipitation each year, mostly rain in the winter months and late spring. The snowfall can range from light to heavy depending on the year. Cold fronts move through often bringing clear skies and cooler temperatures during the fall and winter months.
Summit, Washington gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Summit averages 4 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 140 sunny days per year in Summit. The US average is 205 sunny days.
Summit gets some kind of precipitation, on average, 155 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 77 degrees
Winter Low: the January low is 36
Rain: averages 41 inches of rain a year
Snow: averages 4 inches of snow a year