Brooklyn, IL has a humid continental climate, meaning that it experiences extreme weather ranging from cold winters to hot and humid summers. During the winter, temperatures can dip well below freezing with frequent snowfall. In the spring and fall, temperatures are milder but still vary greatly between day and night. During the summer months, temperatures are known to climb into the 90s with high humidity levels. While intense weather events do occur in Brooklyn, IL on occasion due to its location along Lake Michigan, these extreme conditions usually do not last long.
Brooklyn, Illinois gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Brooklyn averages 15 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 205 sunny days per year in Brooklyn. The US average is 205 sunny days.
Brooklyn gets some kind of precipitation, on average, 104 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 89 degrees
Winter Low: the January low is 23
Rain: averages 42 inches of rain a year
Snow: averages 15 inches of snow a year