The climate in Byron, IL is a humid continental climate with warm summers and cold winters. Summers are typically hot and humid, with temperatures reaching into the low 90s during the day and dropping to mid-70s at night. Winters can be quite cold, with average lows in the mid-teens and highs only reaching into the mid-30s. Precipitation is abundant throughout the year, with an average of around 48 inches annually. Snowfall occurs in amounts ranging from a few inches up to a foot or more during severe winter storms.
Byron, Illinois gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Byron averages 31 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 190 sunny days per year in Byron. The US average is 205 sunny days.
Byron 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