Castle Butte, South Dakota gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Castle Butte averages 31 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 Castle Butte. The US average is 205 sunny days.
Castle Butte gets some kind of precipitation, on average, 70 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 90 degrees
Winter Low: the January low is 11
Rain: averages 18 inches of rain a year
Snow: averages 31 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Castle Butte is 7.1 (10=best), which means it is one of the most pleasant places in South Dakota.
7.1 / 10
June, September and August are the most pleasant months in Castle Butte, while January and December are the least comfortable months.