The climate in Scott, IL County is characterized by hot, humid summers and cold winters. The average summer temperature is around 80 degrees Fahrenheit, with highs occasionally reaching into the mid-90s and lows sometimes dropping to the 50s. Winters are significantly colder, with temperatures averaging a low of 22 degrees Fahrenheit and highs rarely reaching above 40. Precipitation is fairly steady throughout the year, with an average of four inches per month. Snowfall usually begins in late November and can last until March or April.
Scott County, Illinois gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Scott County averages 18 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 199 sunny days per year in Scott County. The US average is 205 sunny days.
Scott County gets some kind of precipitation, on average, 108 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 87 degrees
Winter Low: the January low is 18
Rain: averages 40 inches of rain a year
Snow: averages 18 inches of snow a year