January weather forecast in Waukegan

January in Waukegan is the snowiest, the cloudiest, and the most freezing month of the year. In January, the weather in Waukegan is typically freezing. Average daily high temperature in January is about 3 degrees below zero. On average, Waukegan has 21 cloudy, 7 snowy, and 3 sunny days in January. The snowfalls are usually moderate.