Blue Island, Illinois has a humid continental climate, which means it experiences four distinct seasons. The winters are cold and snowy, while the summers are hot and humid. Average temperatures range from lows in the teens during winter to highs in the mid-80s during summer. Rainfall is spread out relatively evenly throughout the year with an average of around 38 inches of precipitation per year. Snowfall averages around 18 inches each year, making it an ideal place for winter activities like sledding and snowman building.
Blue Island, Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Blue Island averages 32 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 Blue Island. The US average is 205 sunny days.
Blue Island gets some kind of precipitation, on average, 124 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 84 degrees
Winter Low: the January low is 18
Rain: averages 38 inches of rain a year
Snow: averages 32 inches of snow a year