Mount Morris, IL has a humid continental climate with warm to hot summers and freezing cold winters. Average yearly precipitation is around 36 in (914 mm). Snowfall averages 24 inches (609 mm) over the course of the winter months. The area experiences four distinct seasons, with temperatures ranging from an average low of 19 degrees Fahrenheit (-7 Celsius) in January to an average high of 87 degrees Fahrenheit (31 Celsius) in July. Humidity levels are generally quite high throughout the year, and severe thunderstorms are common during the summer months.
Mount Morris (zip 61054), Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mount Morris (zip 61054) averages 28 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 191 sunny days per year in Mount Morris (zip 61054). The US average is 205 sunny days.
Mount Morris (zip 61054) gets some kind of precipitation, on average, 110 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 12
Rain: averages 38 inches of rain a year
Snow: averages 28 inches of snow a year