Roscoe, SD 57471 has a humid continental climate with cold, dry winters and hot, wet summers. The average summer temperature is around 75°F (24°C) and the average winter temperature is around 25°F (-4°C). Rainfall is evenly spread throughout the year. Snowfall in winter can be significant but usually doesn’t last for long periods of time. In the summer months, thunderstorms are common, but rarely severe enough to cause damage. The area experiences extreme temperatures occasionally due to its location on the northern Great Plains, so caution should be taken in extreme weather conditions.
Roscoe (zip 57471), South Dakota gets 20 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Roscoe (zip 57471) averages 36 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 Roscoe (zip 57471). The US average is 205 sunny days.
Roscoe (zip 57471) gets some kind of precipitation, on average, 74 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 4
Rain: averages 20 inches of rain a year
Snow: averages 36 inches of snow a year