Piasa, IL has a humid continental climate with warm, humid summers and cold winters. The area experiences four distinct seasons with average high temperatures in the summer months ranging from the mid 70s to mid 80s (Fahrenheit). Winters tend to be cold and snowy with temperatures ranging from the low 30s to high 20s (Fahrenheit). Precipitation is somewhat evenly distributed throughout the year, with an average of around 44 inches of rain and 22 inches of snow per year.
Piasa (zip 62079), Illinois gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Piasa (zip 62079) averages 16 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 202 sunny days per year in Piasa (zip 62079). The US average is 205 sunny days.
Piasa (zip 62079) gets some kind of precipitation, on average, 103 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 20
Rain: averages 40 inches of rain a year
Snow: averages 16 inches of snow a year