Oak Lawn, IL has a humid continental climate with cold winters and hot summers. Average temperatures in winter range from 25-35°F, while average summertime temperatures range from 70-90°F. In Oak Lawn the warmest month of the year is July, with an average temperature of 76°F, while the coldest month is January, with an average temperature of 27°F. The city experiences moderate precipitation throughout the year, with the most rain falling in June and August. Snowfall typically begins in late November and continues until March or early April.
Oak Lawn (zip 60453), Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Oak Lawn (zip 60453) 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 Oak Lawn (zip 60453). The US average is 205 sunny days.
Oak Lawn (zip 60453) 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 20
Rain: averages 39 inches of rain a year
Snow: averages 32 inches of snow a year