Bishop Hill, IL has a humid continental climate, which means that the summers are hot and the winters are cold. Average temperatures in the summer range from 61 to 82 degrees Fahrenheit with occasional heat waves that can push temperatures over 90 degrees Fahrenheit. In the wintertime, temperatures can dip below 0 degrees Fahrenheit with snowfall common throughout much of December through February. For the most part, precipitation is evenly distributed throughout the year with around 40 inches of rain annually and about 30 inches of snowfall that arrive mostly in late fall and early spring months.
Bishop Hill, Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Bishop Hill averages 24 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 203 sunny days per year in Bishop Hill. The US average is 205 sunny days.
Bishop Hill 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.
Weather Highlights
Summer High: the July high is around 84 degrees
Winter Low: the January low is 13
Rain: averages 37 inches of rain a year
Snow: averages 24 inches of snow a year