Kewanee, IL has a humid continental climate with hot and humid summers and cold winters. The average summer temperature is about 77°F (25°C) while the average winter temperature is around 29°F (-2°C). Precipitation levels are slightly above average compared to other parts of the country and snowfall can range from light to heavy depending on the season. The area also experiences strong winds throughout the year due to its location on the prairie.
Kewanee (zip 61443), Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Kewanee (zip 61443) averages 23 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 197 sunny days per year in Kewanee (zip 61443). The US average is 205 sunny days.
Kewanee (zip 61443) 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 23 inches of snow a year