Dupo, IL has a humid continental climate, which generally brings hot and humid summers and cold winters. Summer temperatures in Dupo typically range from the mid-70s to the mid-90s, with occasional heat waves pushing these temperatures higher. Winters tend to be cold and snowy, with temperatures ranging from the teens to the low 30s. Spring and fall offer a mix of warm and cool days, with milder temperatures overall than summer or winter. Precipitation is fairly consistent year-round, though it does vary by season. Snowfall ranges from moderate to heavy during the winter months.
Dupo, Illinois gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Dupo averages 14 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 205 sunny days per year in Dupo. The US average is 205 sunny days.
Dupo gets some kind of precipitation, on average, 101 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 23
Rain: averages 42 inches of rain a year
Snow: averages 14 inches of snow a year