61883 Westville, IL has a humid continental climate with warm summers and cold winters. The average summer temperature is around 70°F (21°C) while the average winter temperature is around 30°F (-1°C). The area typically sees precipitation throughout the year with an annual average of 39 inches (994 mm). During the warm season, most of the precipitation comes from thunderstorms, whereas during the cold season snowfall is more common. Winters can be very cold in this region; there have been occasions where temperatures have fallen to -20°F (-29°C).
Westville (zip 61883), Illinois gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Westville (zip 61883) averages 18 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 187 sunny days per year in Westville (zip 61883). The US average is 205 sunny days.
Westville (zip 61883) gets some kind of precipitation, on average, 116 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 18
Rain: averages 41 inches of rain a year
Snow: averages 18 inches of snow a year