Grayville, IL is located in the humid continental climate zone. Summers in Grayville are hot and humid with temperatures often reaching into the mid-80s on a regular basis. Winters can be cold with temperatures hovering around freezing point for many months of the year and snowfall being common. Spring and fall are usually mild with temperatures ranging from the upper 30s to the low 60s. Rainfall is plentiful throughout the year, making it ideal for plants and crops to flourish in this area.
Grayville (zip 62844), Illinois gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Grayville (zip 62844) averages 11 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 Grayville (zip 62844). The US average is 205 sunny days.
Grayville (zip 62844) gets some kind of precipitation, on average, 106 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 23
Rain: averages 47 inches of rain a year
Snow: averages 11 inches of snow a year