Weather Forecast and Radar for Maryville, Illinois

Weather in Maryville, IL

Maryville, Illinois, United States has a humid continental climate with four distinct seasons. Summers tend to be hot and humid. Average high temperatures range from the mid-70s in June to the mid-80s in July and August. Nighttime lows during the summer months typically stay in the low to mid 60s. Winters are cold, with average high temperatures ranging from the low to mid-30s and average low temperatures ranging from the mid-teens to the low 20s. Spring and fall are usually mild, with average high temperatures in the mid-50s to low 60s and average low temperatures in the mid-30s to low 40s. Rainfall is evenly distributed throughout the year, averaging around four inches per month. Snowfall is heaviest in January and February, with an average of around nine inches per month.

Fast Facts About Maryville, IL

As of 2020, the city population is 7962.

Major Cities Nearby Maryville, IL

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Maryville, Illinois.