Belle Fourche, South Dakota has a humid continental climate with cold winters and hot summers. Winters are usually cold with temperatures typically ranging from the single digits to low teens. Snowfall can be heavy during the winter months, averaging around 31 inches of snow annually. Summertime temperatures reach levels in the mid-80s on average and precipitation is generally sparse. The area is often subject to strong winds throughout the year, with spring and summer being especially windy as warm air from the Rocky Mountains rises up over the region.
Belle Fourche, South Dakota gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Belle Fourche averages 30 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 227 sunny days per year in Belle Fourche. The US average is 205 sunny days.
Belle Fourche gets some kind of precipitation, on average, 77 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.
Weather Highlights
Summer High: the July high is around 87 degrees
Winter Low: the January low is 13
Rain: averages 18 inches of rain a year
Snow: averages 30 inches of snow a year