National Weather Service United States Department of Commerce

Christmas Weather for Northern Illinois:   Statistics for Chicago and Rockford

 

 

Rockford: 
The following statistics comprises 115 years of data. Data collection for Rockford has always been at the Greater Rockford Airport.

To see the daily climate data for Rockford for Christmas from 1905-Present, click here.

 

Graph of high temperatures on Christmas
 
Frequency distribution of high temperatures for Rockford. This dataset shows that the most frequent range of high temperatures on Christmas is in the 30 to 39 degree range. The normal high temperature on Christmas at Rockford is 31 degrees.  The highest temperature recorded on Christmas is 59 degrees which was set in 2019. This is one of four times that the high temperature reached the 50s on Christmas in Rockford’s history. The coldest high temperature on Christmas is -5 degrees which occurred in 1983.  

 

Graph of low temperatures on Christmas day
Frequency distribution of low temperatures for Rockford. This dataset shows that the most frequent range of low temperatures on Christmas is in between 20 and 29 degrees. The normal low temperature on Christmas in Rockford is 15 degrees. The lowest temperature recorded on Christmas in Rockford is -22 degrees which occurred in the year 2000. The highest low temperature for Christmas was 43 degrees in 1936 and 1940. 

 

Graph of precipitation on Christmas Day in Rockford
Frequency distribution of precipitation for Rockford. This dataset shows that the most frequent amount of precipitation recorded on Christmas is 0.00”, which accounts for 52% of the days in the dataset. The next most frequent range is a trace of precipitation. The highest amount of precipitation on Christmas occurred in 1945 when 1.25” of precipitation fell. This is the only instance where over an inch of rain fell on Christmas. 
Graph of snow fallen on Christmas
 
Frequency distribution of snowfall for Rockford. This dataset shows that the most frequent amount of snowfall recorded on Christmas is 0.0”, which accounts for 62% of the days in the dataset. The next most frequent range is a trace. The highest amount of snow that has fallen on Christmas is 6.0” in 1909. 

 

ADDITIONAL CHRISTMAS CLIMATE DATA 

MAX TEMP
WARMEST

MIN TEMP
WARMEST
PCPN
WETTEST
SNOW
MOST
59
2019
43
1940
1.25
1945
6.0
1909
58
1982
43
1936
0.55
1957
4.0
1950
52
1936
35
1973
0.42
1950
3.4
1951
52
1905
33
2019
0.33
1909
2.5
1935
49
1922
33
2014
0.32
1973
2.1
1962
48
1940
33
2005
0.30
1920
47
1943
33
1982
0.25
2009
47
1912
32
2016
0.22
1935
46
2018
32
1972
0.21
1951
46
1939
32
1957
0.17
1962
 
MAX TEMP
COLDEST
MIN TEMP
COLDEST
-5
1983
-22
2000
2
1985
-15
1983
5
1996
-12
1985
7
2000
-11
1980
9
1977
-11
1924
9
1914
-10
1914
10
1924
-7
1984
13
1910
-7
1935
14
1993
-6
2008
14
1980, 1933
-6
1990, 1977

 

Updated 12/18/2020