Heavy Snow in the Northwest; Wintry Mix from the Great Lakes to Northeast

Two cold fronts will pass through the Northwest U.S. this week with the main impact being heavy mountain snow across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain to the Upper Midwest and Great Lakes today then the Northeast U.S. tonight into Wednesday. Read More >

Chicago Temperature Rankings for each month

CHICAGO

MEAN MONTHLY TEMPERATURE
JANUARY

Normal: 25.2 degrees

***Coldest to Warmest Official Chicago Temperature Data from 1873-2023***

10.1	1977	22.0	2010	27.9	1975
11.9	1912	22.3	1877	27.9	2007
12.0	1893	22.3	2015	28.1	1874
12.2	1982	22.4	1886	28.1	1941
12.4	1979	22.5	1972	28.1	1960
13.3	1918	22.6	1943	28.1	1992
13.3	1963	22.6	1981	28.4	1949
14.4	1985	22.6	1999	28.5	1956
14.9	1888	22.8	1986	28.6	1882
15.7	2014	23.0	1899	28.6	1908
15.9	1978	23.3	1961	28.7	1898
15.9	1994	23.4	1980	28.7	1900
15.9	2009	23.4	1996	28.7	1947
16.2	1875	23.5	1951	28.7	1973
16.3	1887	23.5	2008	28.8	1909
16.3	1940	24.0	1903	28.8	1916
16.4	1883	24.0	1995	28.8	1967
17.1	1984	24.1	1915	28.8	2017
17.3	1970	24.2	1917	29.0	1889
17.6	1895	24.5	1965	29.2	1911
17.6	1929	24.5	2005	29.2	1953
17.7	1904	24.6	2001	29.2	2021
18.0	1948	24.7	2016	29.3	1913
18.1	1905	24.7	2018	29.4	1950
18.1	1962	24.8	1922	29.5	1964
18.4	1966	24.8	1927	29.5	1998
18.5	1959	24.8	1968	30.1	2020
18.8	1884	24.9	1955	30.2	1891
18.8	1885	25.1	1974	30.2	2012
18.8	1920	25.2	1902	30.8	1890
18.8	1957	25.2	1928	30.8	1923
19.0	1936	25.3	2000	31.0	1919
19.2	1945	25.4	1938	31.4	1944
19.2	1971	25.7	1910	31.6	1939
19.3	1997	25.7	1935	31.8	1878
19.4	1881	25.7	1942	31.9	2002
19.5	1892	25.9	1925	32.0	1931
19.6	1873	25.9	1987	32.3	1934
19.8	1924	26.0	1901	32.3	2023
19.8	1988	26.2	1993	32.4	1921
20.0	1976	26.3	1958	32.4	1989
20.1	1930	26.3	1983	32.5	1914
20.3	2004	26.4	1926	32.6	1906
20.6	2022	26.6	2013	32.8	1876
20.6	2011	26.7	1946	33.6	1932
20.8	1991	26.9	1937	33.9	1990
21.0	2019	27.0	1896	35.8	2006
21.3	1879	27.3	1952	36.7	1933
21.3	2003	27.5	1894	39.8	1880
21.7	1969	27.7	1954	No Data	1872
21.8	1897	27.8	1907

Updated 3/20/23

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Heavy Snow in the Northwest; Wintry Mix from the Great Lakes to Northeast

January Temperature Rankings for Chicago