Warren County, Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Warren County averages 24 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 200 sunny days per year in Warren County. The US average is 205 sunny days.
Warren County gets some kind of precipitation, on average, 105 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.
Summer High: the July high is around 85 degrees
Winter Low: the January low is 15
Rain: averages 39 inches of rain a year
Snow: averages 24 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Warren County is 7.0 (10=best), which means it is about average compared to other places in Illinois.
7 / 10
June, September and May are the most pleasant months in Warren County, while January and December are the least comfortable months.