Plattville, IL enjoys a temperate climate with warm, humid summers and cold winters. The average summer high temperatures reach the low to mid 80s while the winter lows can dip into the single digits. Rainfall is fairly consistent with an average of 4 inches per month during all months of the year. Snowfall in Plattville typically ranges from 10-20 inches per season. All four seasons are well-defined and mild weather patterns usually prevail throughout the year.
Plattville, Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Plattville averages 29 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 189 sunny days per year in Plattville. The US average is 205 sunny days.
Plattville gets some kind of precipitation, on average, 122 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 84 degrees
Winter Low: the January low is 15
Rain: averages 38 inches of rain a year
Snow: averages 29 inches of snow a year