National Weather Service United States Department of Commerce
Rockford Temperature Rankings for each month
Jan Feb Mar Apr May Jun July Aug Sept Oct Nov Dec Annual

 

ROCKFORD
MONTHLY TEMPERATURE MEANS
JANUARY

NORMAL 21.5 degrees

***Coldest to Warmest Official Rockford Temperature Data from 1906 - 2019***

 

4.7 1912   18.6 1996   24.1 1960
5.9 1977   18.8 1999   24.2 1956
7.3 1918   19.2 1917   24.3 2013
7.7 1979   19.2 1980   24.4 1913
8.8 1982   19.2 2003   24.4 1953
9.3 1963   19.4 1965   24.5 1916
11.3 1978   19.5 1961   24.5 1967
12.0 2014   19.9 2011   24.6 1949
12.5 1970   20.0 1995   24.7 1919
12.5 1994   20.5 1927   24.7 1941
12.8 1929   20.5 1958   25.3 1928
12.8 1940   20.6 1943   25.3 1946
12.9 1985   20.9 1955   25.3 1983
13.3 1959   20.9 1986   25.8 2007
13.4 1920   20.9 2015   26.0 1908
13.4 1966   21.0 2001   26.2 1998
13.8 2009   21.0 2008   26.3 1973
14.2 1924   21.1 1911   26.6 1909
14.5 1936   21.1 1925   26.6 1992
14.5 1962   21.1 2018   26.7 1950
14.6 1957   21.2 1968   26.7 1964
14.8 1971   21.2 1974   26.8 1923
15.0 1930   21.3 2005   27.4 2012
16.0 1984   21.4 1935   27.6 2017
16.0 1988   21.4 1981   28.9 1939
16.4 1976   21.6 2000   29.0 1914
16.5 1997   22.0 1937   29.2 1931
17.0 1972   22.1 1922   29.4 1921
17.0 1991   22.1 1942   29.8 1906
17.8 1915   22.1 1954   29.9 1989
17.8 1945   22.7 1938   30.0 1932
17.9 1948   22.8 1952   30.0 1990
17.9 1969   22.9 2016   30.0 2002
18.0 1951   23.1 1987   30.1 1934
18.1 2019   23.4 1993   30.1 1944
18.3 2010   23.5 1975   33.5 2006
18.4 2004   23.6 1907   33.9 1933
18.6 1910   23.8 1926   No Data 1947