Climate at a Glance

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Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of August 2022. For more information, please see Climatological Rankings.

Parameter: Average Temperature Maximum Temperature Minimum Temperature Precipitation Cooling Degree Days Heating Degree Days Palmer Drought Severity Index (PDSI) Palmer Hydrological Drought Index (PHDI) Palmer Modified Drought Index (PMDI) Palmer Z-Index

Year: 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Month: January February March April May June July August September October November December

State: Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming

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Illinois

Average Temperature Rankings, October 2011

View Period (Months):All1234567891011121824364860

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Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2021)	Warmest/Coolest Since	Record
October 2011 1-Month	55.2°F (12.9°C)	54.6°F (12.6°C)	0.6°F (0.3°C)	75th Coolest	Coolest since: 2009	1925
				53rd Warmest	Warmest since: 2010	1963
	Ties: 1986
Sep–Oct 2011 2-Month	59.4°F (15.2°C)	60.4°F (15.8°C)	-1.0°F (-0.6°C)	39th Coolest	Coolest since: 2009	1917
				89th Warmest	Warmest since: 2010	1897, 2016
	Ties: 1903, 1951, 1995
Aug–Oct 2011 3-Month	64.5°F (18.1°C)	64.7°F (18.2°C)	-0.2°F (-0.1°C)	55th Coolest	Coolest since: 2009	1917
				73rd Warmest	Warmest since: 2010	1947
	Ties: 1918, 1946, 1948, 1985
Jul–Oct 2011 4-Month	68.4°F (20.2°C)	67.5°F (19.7°C)	0.9°F (0.5°C)	91st Coolest	Coolest since: 2009	1917
				37th Warmest	Warmest since: 2010	1936
	Ties: 1913, 1935, 1956, 2017
Jun–Oct 2011 5-Month	69.3°F (20.7°C)	68.3°F (20.2°C)	1.0°F (0.5°C)	94th Coolest	Coolest since: 2009	1917
				34th Warmest	Warmest since: 2010	1936
	Ties: 1940, 2019
May–Oct 2011 6-Month	68.1°F (20.1°C)	67.2°F (19.6°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 2009	1917
				38th Warmest	Warmest since: 2010	1936
	Ties: 1897, 1899, 1930, 1971, 1977, 1980, 1986
Apr–Oct 2011 7-Month	65.9°F (18.8°C)	64.9°F (18.3°C)	1.0°F (0.5°C)	93rd Coolest	Coolest since: 2009	1917
				35th Warmest	Warmest since: 2010	2010
	Ties: 1899, 1919, 1947, 2002, 2019
Mar–Oct 2011 8-Month	62.9°F (17.2°C)	61.8°F (16.6°C)	1.1°F (0.6°C)	98th Coolest	Coolest since: 2009	1917
				30th Warmest	Warmest since: 2010	2012
	Ties: 1931, 1959
Feb–Oct 2011 9-Month	59.3°F (15.2°C)	58.2°F (14.6°C)	1.1°F (0.6°C)	99th Coolest	Coolest since: 2009	1917
				29th Warmest	Warmest since: 2010	2012
	Ties: 1919, 1933, 1983, 2002
Jan–Oct 2011 10-Month	55.6°F (13.1°C)	54.9°F (12.7°C)	0.7°F (0.4°C)	84th Coolest	Coolest since: 2009	1904
				44th Warmest	Warmest since: 2010	2012
Dec 2010–Oct 2011 11-Month	52.7°F (11.5°C)	52.6°F (11.4°C)	0.1°F (0.1°C)	66th Coolest	Coolest since: 2009	1904
				61st Warmest	Warmest since: 2010	2012
	Ties: 1898, 1927, 1976
Nov 2010–Oct 2011 12-Month	52.0°F (11.1°C)	51.6°F (10.9°C)	0.4°F (0.2°C)	79th Coolest	Coolest since: 2009	1904
				48th Warmest	Warmest since: 2010	2012
	Ties: 1908, 1930, 1935, 1990
May 2010–Oct 2011 18-Month	57.8°F (14.3°C)	56.8°F (13.8°C)	1.0°F (0.5°C)	97th Coolest	Coolest since: 2010	1904
				30th Warmest	Warmest since: 2007	2012
	Ties: 1941, 1988, 2013, 2018, 2020
Nov 2009–Oct 2011 24-Month	52.8°F (11.6°C)	51.6°F (10.9°C)	1.2°F (0.7°C)	104th Coolest	Coolest since: 2010	1905
				22nd Warmest	Warmest since: 2008	2017
	Ties: 1931, 2003, 2008
Nov 2008–Oct 2011 36-Month	52.1°F (11.2°C)	51.6°F (10.9°C)	0.5°F (0.3°C)	84th Coolest	Coolest since: 2010	1904, 1979
				41st Warmest	Warmest since: 2009	2018
	Ties: 1931, 1990, 2009
Nov 2007–Oct 2011 48-Month	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	72nd Coolest	Coolest since: 1997	1905
				52nd Warmest	Warmest since: 2010	2019
	Ties: 1937, 1938, 1947, 1976
Nov 2006–Oct 2011 60-Month	52.4°F (11.3°C)	51.6°F (10.9°C)	0.8°F (0.4°C)	92nd Coolest	Coolest since: 1999	1905, 1906
				31st Warmest	Warmest since: 2010	2002, 2020
	Ties: 1955, 1990

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Average Temperature, published September 2022, retrieved on October 4, 2022 from https://www.ncdc.noaa.gov/cag/