Rapid City, South Dakota gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rapid City averages 38 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 226 sunny days per year in Rapid City. The US average is 205 sunny days.
Rapid City gets some kind of precipitation, on average, 85 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 85 degrees
Winter Low: the January low is 14
Rain: averages 18 inches of rain a year
Snow: averages 38 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Rapid City is 7.0 (10=best), which means it is one of the most pleasant places in South Dakota.
9.1 / 5.2
Summer / Winter
August, July and June are the most pleasant months in Rapid City, while February and January are the least comfortable months.