Sanborn, SD County has a humid continental climate. Summers are warm and humid with temperatures averaging in the mid-80s Fahrenheit. Winters are cold and dry with temperatures sometimes dropping as low as -30 degrees Fahrenheit. The area receives an average of 16 inches of rainfall per year and an average of 56 inches of snowfall annually. It is known for its wide temperature extremes and seasonal changes due to its location near the Great Plains. Sanborn experiences all four seasons, including hot summers, cold winters, mild springs, and colorful autumns.
Sanborn County, South Dakota gets 23 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sanborn County averages 35 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 211 sunny days per year in Sanborn County. The US average is 205 sunny days.
Sanborn County gets some kind of precipitation, on average, 79 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 87 degrees
Winter Low: the January low is 8
Rain: averages 23 inches of rain a year
Snow: averages 35 inches of snow a year