Nisland, South Dakota gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Nisland averages 36 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 224 sunny days per year in Nisland. The US average is 205 sunny days.
Nisland gets some kind of precipitation, on average, 75 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 12
Rain: averages 18 inches of rain a year
Snow: averages 36 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Nisland is 7.0 (10=best), which means it is one of the most pleasant places in South Dakota.
7 / 10
June, September and August are the most pleasant months in Nisland, while January and December are the least comfortable months.