Sioux Valley, South Dakota has a mild climate with warm summers and cold winters. The average daily high temperature in the summer months is between 75 and 80 degrees Fahrenheit, with occasional heat waves reaching into the 90s. In the colder winter months, temperatures are typically around 20 degrees Fahrenheit, though they can sometimes dip below 0. Precipitation in Sioux Valley is relatively low throughout the year, usually ranging from 1 to 3 inches per month. Snowfall in Sioux Valley is light but steady, usually averaging up to 8 inches per month during winter months.
Sioux Valley, South Dakota gets 29 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sioux Valley averages 32 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 208 sunny days per year in Sioux Valley. The US average is 205 sunny days.
Sioux Valley gets some kind of precipitation, on average, 82 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 85 degrees
Winter Low: the January low is 8
Rain: averages 29 inches of rain a year
Snow: averages 32 inches of snow a year