Prosper, South Dakota gets 24 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Prosper averages 34 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 Prosper. The US average is 205 sunny days.
Prosper gets some kind of precipitation, on average, 78 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.
Summer High: the July high is around 87 degrees
Winter Low: the January low is 9
Rain: averages 24 inches of rain a year
Snow: averages 34 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Prosper is 6.9 (10=best), which means it is more comfortable than most places in South Dakota.
6.9 / 10
June, August and September are the most pleasant months in Prosper, while January and December are the least comfortable months.