Shelby, SD has a humid continental climate with hot summers and cold winters. The area averages 37 inches of precipitation per year, which is evenly spread throughout the seasons. Summers are typically warm with temperatures in the mid to high 80s while winters are very cold with average temperatures in the teens. Snowfall can be significant during winter months, but usually melts quickly as spring arrives. Shelby experiences frequent thunderstorms during summer months that can sometimes bring severe weather such as damaging winds and heavy rains.
Shelby, South Dakota gets 23 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Shelby averages 40 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 202 sunny days per year in Shelby. The US average is 205 sunny days.
Shelby gets some kind of precipitation, on average, 87 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 84 degrees
Winter Low: the January low is 2
Rain: averages 23 inches of rain a year
Snow: averages 40 inches of snow a year