St. Francisville, IL has a humid continental climate with cold winters and hot summers. Average temperatures range from 35°F in January to 84°F in July. Precipitation is significant throughout the year, with an average of 45 inches of rain annually. Snowfall is minimal, averaging 8 inches per year. Humidity levels can be high during the summer months but usually remain comfortable during winter months. The area also experiences frequent thunderstorms throughout the year due to its proximity to the Mississippi River Valley region.
St. Francisville, Illinois gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
St. Francisville averages 11 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 201 sunny days per year in St. Francisville. The US average is 205 sunny days.
St. Francisville gets some kind of precipitation, on average, 109 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 45 inches of rain a year
Snow: averages 11 inches of snow a year