January weather forecast in North Sioux City

January in North Sioux City is the snowiest, the cloudiest, and the most freezing month of the year. In January, the weather in North Sioux City is typically freezing. Average daily high temperature in January is about 1 degree below zero. On average, North Sioux City has 12 partly cloudy, 9 sunny, 6 cloudy, and 4 snowy days in January. The snowfalls are usually light. January as well as February, March, April, and November is considered the most uncomfortable time to visit North Sioux City.