Chamberlain, SD has a humid continental climate with hot summers and cold winters. Temperatures can range from an average high of 90°F in July to an average low of -12°F in January. The area also experiences precipitation year-round with the most rainfall occurring in the months of May through August. Snowfall is also prevalent during winter months, with an average snowfall of 19 inches annually. Winters are generally long and cold while summers tend to be short but warm with occasional thunderstorms throughout the season.
Chamberlain, South Dakota gets 23 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Chamberlain averages 40 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 212 sunny days per year in Chamberlain. The US average is 205 sunny days.
Chamberlain gets some kind of precipitation, on average, 88 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 9
Rain: averages 23 inches of rain a year
Snow: averages 40 inches of snow a year