Frost and Freeze information

 For Chicago...

First Freeze of the Season

Average Date:             October 15th
Earliest Date:              September 22, 1995 (32)
Latest Date:                November 24, 1931 (30)
 
Last Spring Freeze of the Season
 
Average Date:             April 23rd
Earliest Date:              March 19, 1925 (28)
Latest Date:                May 25, 1992 (32)
 
First Killing Frost (28 Degrees or Lower)
 
Average Date:             October 27th
Earliest Date:              October 2, 1974 (28)
Latest Date:                December 3, 1899 (27)

 

For Rockford...

First Freeze of the Season
 
Average Date:             October 7th
Earliest Date:              September 13, 1975 (32)
Latest Date:                November 4, 1973 (31)
 
Last Spring Freeze of the Season
 
Average Date:             May 1st
Earliest Date:              March 31, 1946 (32)
Latest Date:                May 27, 1992 (30)
 
First Killing Frost (28 Degrees or Lower)
 
Average Date:             October 19th
Earliest Date:              September 24, 1976 (28)
Latest Date:                November 10, 1994 (28)

 

For additional frost/freeze information across the region, click on the following links:  Illinois  Indiana


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