Sparta, IL has a humid continental climate with hot and humid summers and cold winters. During the summer months, temperatures average in the mid-80's during the day and can dip into the low 60's at night. Winters are typically cold with temperatures ranging from 20-30 degrees during the day and dipping below 0°F at night. Precipitation is spread throughout the year with snowfall occurring more often in winter months. Overall, Sparta, IL has a pleasant climate that makes it an enjoyable place to live throughout all four seasons.
Sparta, Illinois gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sparta averages 11 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 206 sunny days per year in Sparta. The US average is 205 sunny days.
Sparta gets some kind of precipitation, on average, 96 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 88 degrees
Winter Low: the January low is 22
Rain: averages 44 inches of rain a year
Snow: averages 11 inches of snow a year