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Rockford Weather in December
United States · early winter in Northern Hemisphere / early summer in Southern Hemisphere
Rockford on the Rock River in northwestern Illinois has a full humid continental climate. Positioned between Lake Michigan and the Mississippi River, it sees heavy lake-effect snow when winds blow from the northeast. Winters are harsh and summers warm and humid with frequent severe thunderstorms.
Holiday season. Many cities decorate beautifully. Book ahead for December travel.
Current Weather in Rockford Right Now
37°F
Moderate Rain
Feels like 30°F · H 37°F / L 36°F