Sioux City, IA (51104) has a humid continental climate, with warm summers and cold winters. The highest temperatures of the year usually occur in July and August, when average highs reach into the mid-80s Fahrenheit, while the coldest temperatures typically occur in January and December when averages dip into the teens. Precipitation is common throughout the year, with snowfall occurring from November to March.
Sioux City (zip 51104), Iowa gets 30 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sioux City (zip 51104) 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 City (zip 51104). The US average is 205 sunny days.
Sioux City (zip 51104) 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