Lawrence County, IL has a humid continental climate with hot, humid summers and cold winters. Winters are generally dry but can occasionally bring snow or ice, while summers are usually hot and muggy. The area is known for having extreme temperature swings throughout the year, which can range from below freezing to highs in the 90s Fahrenheit (32-35 Celcius). Precipitation is moderate and evenly distributed throughout the year, though spring and summer months tend to be slightly wetter than winter months. The county receives an average of 39 inches of rain per year and 16 inches of snow annually.
Lawrence County, Illinois gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Lawrence County averages 12 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 Lawrence County. The US average is 205 sunny days.
Lawrence County gets some kind of precipitation, on average, 109 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