Sumpter, OR has a climate that is characterized by cold and rainy winters, mild to warm summers, and relatively low levels of humidity throughout the year. The average high temperature in July, the hottest month of the year, is about 83°F and the average low temperature in January, the coldest month of the year, is about 21°F. Precipitation is common throughout the year with an average amount of precipitation ranging from 1-2 inches per month. Snow is also common in winter months with an average snowfall of 10-20 inches per season. Overall, Sumpter's climate is fairly moderate with temperatures rarely reaching extreme highs or lows.
Sumpter, Oregon gets 20 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sumpter averages 81 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 197 sunny days per year in Sumpter. The US average is 205 sunny days.
Sumpter gets some kind of precipitation, on average, 115 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 81 degrees
Winter Low: the January low is 15
Rain: averages 20 inches of rain a year
Snow: averages 81 inches of snow a year