Johnsonville, IL has a humid continental climate with cold winters and warm summers. The area is characterized by a fair amount of precipitation throughout the year, mostly in the form of snow during the winter months. Winter temperatures usually reach lows around 20°F (-7°C) and highs in the mid to upper 30s (3-4 °C). Summers are warm and humid, with temperatures typically reaching above 80°F (26°C) during the day and cooling off to lows in the 50s (10-15 °C) at night. Precipitation is generally spread throughout the year, but June is usually the wettest month with an average of 4 inches (10 cm) of rain.
Johnsonville (zip 62850), Illinois gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Johnsonville (zip 62850) averages 11 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 Johnsonville (zip 62850). The US average is 205 sunny days.
Johnsonville (zip 62850) gets some kind of precipitation, on average, 102 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 88 degrees
Winter Low: the January low is 22
Rain: averages 45 inches of rain a year
Snow: averages 11 inches of snow a year