Winthrop Harbor, IL has a temperate climate. In the summer months, temperatures typically reach into the high 80s and low 90s Fahrenheit with humidity levels that can be quite high. In the winter months, temperatures range from the low 20s to the mid 40s Fahrenheit, with snowfall occurring occasionally. The area enjoys four distinct seasons which offer a variety of outdoor activities across all times of year. Winthrop Harbor also receives an average of 35 inches of rain each year, which helps to keep its lush landscape filled with greenery and vegetation.
Winthrop Harbor, Illinois gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Winthrop Harbor averages 40 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 191 sunny days per year in Winthrop Harbor. The US average is 205 sunny days.
Winthrop Harbor gets some kind of precipitation, on average, 115 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 80 degrees
Winter Low: the January low is 16
Rain: averages 36 inches of rain a year
Snow: averages 40 inches of snow a year