Sherman County, OR has a semi-arid climate with cold winters and hot summers. Winters in the county are typically mild with temperatures rarely dropping below freezing. Summers are generally hot and dry during the day, but evenings can be quite cool. Precipitation is light throughout the year, averaging around 8 inches annually. Despite having a semi-arid climate, Sherman County gets plenty of snow during the winter months, which provides some relief from the drought-like conditions that can occur in other parts of Oregon during this time of year.
Sherman County, Oregon gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sherman County averages 14 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 200 sunny days per year in Sherman County. The US average is 205 sunny days.
Sherman County gets some kind of precipitation, on average, 84 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 86 degrees
Winter Low: the January low is 27
Rain: averages 13 inches of rain a year
Snow: averages 14 inches of snow a year