Weather Forecast and Radar for Centralia, Illinois

Weather in Centralia, IL

Centralia, Illinois has a humid continental climate, with four distinct seasons.

In the winter, temperatures range from an average high of 40°F in December to an average low of 22°F in January. Snowfall is common, with an average of 12.2 inches in December and 11.2 inches in January.

In the spring, temperatures rise from an average high of 53°F in March to an average high of 75°F in May. Rainfall increases as well, with an average of 3.9 inches in March and 4.4 inches in April.

In the summer, temperatures reach their peak, with an average high of 85°F in July and an average low of 67°F in August. Rainfall also increases, with an average of 4.2 inches in June and 4.6 inches in July.

In the fall, temperatures decrease from an average high of 78°F in September to an average high of 56°F in November. Rainfall decreases, with an average of 3.6 inches in October and 2.5 inches in November.

Fast Facts About Centralia, IL

As of 2020, the city population is 12354.

Major Cities Nearby Centralia, IL

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