What Is The Coldest Month Of The Year In Rockford Illinois?
January. The cold season lasts for 3.0 months, from December 1 to March 3, with an average daily high temperature below 40°F. The coldest month of the year in Rockford is January, with an average low of 15°F and high of 29°F. How cold does it get in Rockford IL? Regional Climate Data Average Winter …
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