Flanagan, IL has a mild climate overall. It experiences hot and humid summers with temperatures reaching into the mid- to upper-80s and low-90s. Winters are usually cold and snowy with temperatures typically staying around the freezing mark. During the spring and fall, temperatures range from the high-50s to mid-70s. Precipitation is fairly consistent year round in the form of rain or snow with an average of around 39 inches per year.
Flanagan, Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Flanagan averages 22 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 193 sunny days per year in Flanagan. The US average is 205 sunny days.
Flanagan 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 85 degrees
Winter Low: the January low is 15
Rain: averages 37 inches of rain a year
Snow: averages 22 inches of snow a year