Lawrenceville, IL has a humid subtropical climate. Summers are hot and humid, with temperatures often in the 80s-90s Fahrenheit range and occasional heat waves from June to August. It gets quite humid in those months due to its location near Lake Michigan. Winters are snowy and cold, with temperatures often dropping below freezing and sometimes even reaching single digits. Spring and Autumn are mild with pleasantly warm days transitioning into cold nights. The area receives roughly 40 inches of rain per year, spread out throughout the seasons.
Lawrenceville, Illinois gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Lawrenceville averages 12 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 199 sunny days per year in Lawrenceville. The US average is 205 sunny days.
Lawrenceville gets some kind of precipitation, on average, 108 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 22
Rain: averages 45 inches of rain a year
Snow: averages 12 inches of snow a year