62951 Johnston City, IL has a humid subtropical climate, with hot summers and cold winters. The area sees significant precipitation throughout the year, with temperatures ranging from an average high of around 83°F in the summer months to an average low of around 24°F during the winter months. Snowfall is common in the wintertime, and thunderstorms can bring heavy rains on occasion during warmer months. Winters tend to be short and mild, while summers are usually long and humid.
Johnston City (zip 62951), Illinois gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Johnston City (zip 62951) averages 12 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 206 sunny days per year in Johnston City (zip 62951). The US average is 205 sunny days.
Johnston City (zip 62951) gets some kind of precipitation, on average, 98 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 23
Rain: averages 46 inches of rain a year
Snow: averages 12 inches of snow a year