Byron, IL has a humid continental climate with four distinct seasons. Summers are hot and humid, with temperatures reaching into the 90s (Fahrenheit) during the day, while winters can be cold and snowy. Spring is mild with plenty of rain and thunderstorms, while autumn brings cooler temperatures and plenty of foliage color. Precipitation is plentiful year-round in Byron, IL, averaging around 38 inches per year.
Byron (zip 61010), Illinois gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Byron (zip 61010) averages 31 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 191 sunny days per year in Byron (zip 61010). The US average is 205 sunny days.
Byron (zip 61010) gets some kind of precipitation, on average, 112 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 84 degrees
Winter Low: the January low is 12
Rain: averages 36 inches of rain a year
Snow: averages 31 inches of snow a year