61778 Waynesville, IL has a humid continental climate, with hot summers and cold winters. The average high in the summer is around 85 degrees Fahrenheit while the average low in the winter is around 15 degrees Fahrenheit. Precipitation is fairly consistent throughout the year, although it does tend to be higher in the spring and summer months. Snowfall can also be expected during winter months, with an average of about 30 inches per year. The area experiences about four distinct seasons throughout the year and enjoys plenty of sunshine for most of them.
Waynesville (zip 61778), Illinois gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Waynesville (zip 61778) averages 18 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 196 sunny days per year in Waynesville (zip 61778). The US average is 205 sunny days.
Waynesville (zip 61778) gets some kind of precipitation, on average, 110 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 86 degrees
Winter Low: the January low is 16
Rain: averages 40 inches of rain a year
Snow: averages 18 inches of snow a year