The climate in Bunker Hill, IL is one of extremes. Summers tend to be hot and humid, with temperatures often reaching near or above 90 degrees. Winters can be brutally cold, with temperatures routinely dipping to below 0°F. The area gets an average of 31 inches of precipitation per year, most of it coming during the spring and summer months in the form of thunderstorms. Snowfall is light compared to other parts of the Midwest, but can sometimes reach up to a foot due to blizzards. Overall, Bunker Hill has a typical Midwestern climate with periods of extreme heat and coldness throughout the year.
Bunker Hill, Illinois gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Bunker Hill averages 15 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 198 sunny days per year in Bunker Hill. The US average is 205 sunny days.
Bunker 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 87 degrees
Winter Low: the January low is 20
Rain: averages 40 inches of rain a year
Snow: averages 15 inches of snow a year