Dundas, IL has a humid continental climate characterized by four distinct seasons. Summers tend to be warm and humid with temperatures reaching an average high of 80°F (26.7°C) in July. Winters are cold and snowy with temperatures dropping well below freezing during January with an average low of 15°F (-9.4°C). Spring and fall are pleasant with mild temperatures and moderate rainfall. The area receives an average of 33 inches (84 cm) of precipitation per year, making it the ideal environment for outdoor recreation throughout the year.
Dundas (zip 62425), Illinois gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Dundas (zip 62425) averages 12 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 202 sunny days per year in Dundas (zip 62425). The US average is 205 sunny days.
Dundas (zip 62425) gets some kind of precipitation, on average, 109 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 86 degrees
Winter Low: the January low is 20
Rain: averages 45 inches of rain a year
Snow: averages 12 inches of snow a year