Sioux City, IA has a humid continental climate, with hot summers and cold winters. Average temperatures in the summer range from highs of 81 degrees Fahrenheit to lows of 61 degrees Fahrenheit. Winter temperatures usually range from highs of 28 degrees Fahrenheit to lows of 9 degrees Fahrenheit. The city experiences an average annual precipitation amount of 26 inches, with snowfall averaging 28 inches annually. Sioux City also receives around 227 sunny days per year.
Sioux City, Iowa gets 30 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sioux City averages 32 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 210 sunny days per year in Sioux City. The US average is 205 sunny days.
Sioux City gets some kind of precipitation, on average, 84 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 86 degrees
Winter Low: the January low is 10
Rain: averages 30 inches of rain a year
Snow: averages 32 inches of snow a year