Waukegan, IL has a humid continental climate, which is characterized by hot summers and cold winters. Temperatures range from mild to hot in the summer months and cold to freezing in the winter months. Precipitation is generally moderate year-round, with heavy snowfall in the winter months and occasional flooding in the spring. Heat waves can occur throughout the summer months, while lake effect snowstorms are common during late autumn and early winter. Humidity levels tend to be high throughout the year as well, making the city uncomfortable for those who aren't used to it. Overall, Waukegan experiences a typical Midwestern climate that can be quite pleasant at times but also quite severe during certain seasons.
Waukegan (zip 60085), Illinois gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Waukegan (zip 60085) averages 41 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 189 sunny days per year in Waukegan (zip 60085). The US average is 205 sunny days.
Waukegan (zip 60085) gets some kind of precipitation, on average, 117 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 81 degrees
Winter Low: the January low is 15
Rain: averages 36 inches of rain a year
Snow: averages 41 inches of snow a year