The climate in 60446 Romeoville, IL is generally mild and pleasant. During the winter months, temperatures typically range from lows of about 20°F to highs of around 35°F. In the summer months, temperatures may reach up to the high 80s or low 90s with average lows of around 65°F. Precipitation levels are also generally moderate, averaging around 33 inches per year. Humidity levels remain relatively mild for most of the year, and there are usually very few days with extreme weather conditions in comparison to other regions in the country.
Romeoville (zip 60446), Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Romeoville (zip 60446) averages 30 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 Romeoville (zip 60446). The US average is 205 sunny days.
Romeoville (zip 60446) gets some kind of precipitation, on average, 125 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 16
Rain: averages 39 inches of rain a year
Snow: averages 30 inches of snow a year