St. Charles, South Dakota gets 26 inches of rain, on average, per year. The US average is 38 inches of rain per year.
St. Charles averages 40 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 220 sunny days per year in St. Charles. The US average is 205 sunny days.
St. Charles gets some kind of precipitation, on average, 79 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 86 degrees
Winter Low: the January low is 10
Rain: averages 26 inches of rain a year
Snow: averages 40 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for St. Charles is 7.0 (10=best), which means it is one of the most pleasant places in South Dakota.
7 / 10
August, June and July are the most pleasant months in St. Charles, while January and December are the least comfortable months.