Richland County is located in the state of Illinois and has a climate that varies from warm and humid summers to cold, snowy winters. The average temperature throughout the year is 43 degrees Fahrenheit, with temperatures reaching up to around 95 degrees Fahrenheit during the summer months and as low as -9 degrees Fahrenheit during the winter. Precipitation is fairly evenly distributed throughout the year, with an average annual precipitation rate of 36 inches. Richland County tends to experience above average humidity levels, particularly during the summer months when air conditioning and other cooling methods are highly recommended to alleviate discomfort.
Richland County, Illinois gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Richland 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 Richland County. The US average is 205 sunny days.
Richland County 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 87 degrees
Winter Low: the January low is 21
Rain: averages 45 inches of rain a year
Snow: averages 12 inches of snow a year