Rossville, IL has a typical Midwestern climate, with hot and humid summers and cold winters. Precipitation is fairly evenly distributed throughout the year, however there is typically less rain during the summer months. The warmest month of the year is July when temperatures can reach into the 80s and 90s, while January is usually the coldest month with temperatures that can dip into the teens. Snowfall usually begins in November and continues through March.
Rossville, Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rossville averages 15 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 190 sunny days per year in Rossville. The US average is 205 sunny days.
Rossville gets some kind of precipitation, on average, 101 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 85 degrees
Winter Low: the January low is 17
Rain: averages 39 inches of rain a year
Snow: averages 15 inches of snow a year