Grantfork, IL has a humid continental climate with hot summers and cold winters. Summers can be quite hot and humid, with temperatures often reaching over 90 degrees Fahrenheit throughout the day. Winters are typically cold and snowy, with temperatures commonly dropping below freezing for extended periods of time. Precipitation is evenly distributed throughout the year, although it is usually more prominent in the spring and summer months. Overall, Grantfork experiences four distinct seasons with comfortable temperatures throughout the year.
Grantfork, Illinois gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Grantfork averages 12 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 201 sunny days per year in Grantfork. The US average is 205 sunny days.
Grantfork gets some kind of precipitation, on average, 89 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 89 degrees
Winter Low: the January low is 21
Rain: averages 43 inches of rain a year
Snow: averages 12 inches of snow a year