Sisseton, SD has a continental climate with four distinct seasons. Summers are typically hot and humid, while winters are cold and dry. Spring is mild and pleasant, while fall ushers in cooler temperatures. This region experiences frequent thunderstorms during the summer months with an average of 8-15 inches of rainfall per year. Winters usually consist of clear skies and plenty of snow, which accumulates to an average of 25-30 inches per year.
Sisseton, South Dakota gets 24 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sisseton averages 44 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 196 sunny days per year in Sisseton. The US average is 205 sunny days.
Sisseton gets some kind of precipitation, on average, 81 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 83 degrees
Winter Low: the January low is 3
Rain: averages 24 inches of rain a year
Snow: averages 44 inches of snow a year