The climate in 60174 St. Charles, IL is typical of the Midwest United States, featuring hot summers and cold winters. Temperatures can fluctuate quite a bit during any given year, with highs reaching into the 90s Fahrenheit (30s Celsius) during summer months and lows dipping into the single digits (-10 to -15C) in winter months. Precipitation is fairly evenly distributed throughout the year, with an average of about 31 inches of rain and 42 inches of snow annually. The area also experiences occasional thunderstorms that are usually accompanied by strong winds, large hail, and flooding.
St. Charles (zip 60174), Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.
St. Charles (zip 60174) 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 St. Charles (zip 60174). The US average is 205 sunny days.
St. Charles (zip 60174) gets some kind of precipitation, on average, 120 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 15
Rain: averages 38 inches of rain a year
Snow: averages 30 inches of snow a year