Climate at a Glance

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 December 2019. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, March 2009

View Period (Months):All1234567891011121824364860
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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
March 2009
1-Month
43.6°F
(6.4°C)
39.8°F
(4.3°C)
3.8°F
(2.1°C)
100th Coolest Coolest since: 2008 1960
26th Warmest Warmest since: 2007 2012
Ties: 1986
Feb–Mar 2009
2-Month
38.0°F
(3.3°C)
34.5°F
(1.4°C)
3.5°F
(1.9°C)
105th Coolest Coolest since: 2008 1978
21st Warmest Warmest since: 2000 2012
Ties: 1954, 1961
Jan–Mar 2009
3-Month
32.2°F
(0.1°C)
31.4°F
(-0.3°C)
0.8°F
(0.4°C)
72nd Coolest Coolest since: 2008 1912
54th Warmest Warmest since: 2007 2012
Ties: 1922
Dec 2008–Mar 2009
4-Month
30.9°F
(-0.6°C)
31.0°F
(-0.6°C)
-0.1°F
(0.0°C)
55th Coolest Coolest since: 2008 1978
70th Warmest Warmest since: 2007 2012
Ties: 1937, 1968
Nov 2008–Mar 2009
5-Month
32.9°F
(0.5°C)
32.9°F
(0.5°C)
0.0°F
(0.0°C)
58th Coolest Coolest since: 2008 1912
67th Warmest Warmest since: 2008 2012
Ties: 1913, 1924, 1947, 2008
Oct 2008–Mar 2009
6-Month
36.5°F
(2.5°C)
36.6°F
(2.6°C)
-0.1°F
(-0.1°C)
57th Coolest Coolest since: 2003 1912, 1978
68th Warmest Warmest since: 2008 2012
Ties: 1952
Sep 2008–Mar 2009
7-Month
40.8°F
(4.9°C)
40.8°F
(4.9°C)
0.0°F
(0.0°C)
55th Coolest Coolest since: 2003 1977, 1978
70th Warmest Warmest since: 2008 2017
Ties: 1908, 1933, 1967, 2011
Aug 2008–Mar 2009
8-Month
44.7°F
(7.1°C)
44.9°F
(7.2°C)
-0.2°F
(-0.1°C)
52nd Coolest Coolest since: 2001 1977
73rd Warmest Warmest since: 2008 2017
Ties: 1903, 1908, 1947
Jul 2008–Mar 2009
9-Month
48.0°F
(8.9°C)
48.3°F
(9.1°C)
-0.3°F
(-0.2°C)
48th Coolest Coolest since: 2001 1977
77th Warmest Warmest since: 2008 2012
Ties: 1910, 1944
Jun 2008–Mar 2009
10-Month
50.5°F
(10.3°C)
50.6°F
(10.3°C)
-0.1°F
(0.0°C)
54th Coolest Coolest since: 2001 1904
71st Warmest Warmest since: 2008 2012
Ties: 1927, 1947, 1984
May 2008–Mar 2009
11-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
47th Coolest Coolest since: 2001 1918
78th Warmest Warmest since: 2008 2012
Ties: 1947, 1965, 1967, 1984
Apr 2008–Mar 2009
12-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
48th Coolest Coolest since: 2001 1918
77th Warmest Warmest since: 2008 2012
Ties: 1896
Oct 2007–Mar 2009
18-Month
46.7°F
(8.2°C)
46.6°F
(8.1°C)
0.1°F
(0.1°C)
56th Coolest Coolest since: 1997 1905
68th Warmest Warmest since: 2008 2017
Ties: 1948, 1993
Apr 2007–Mar 2009
24-Month
52.2°F
(11.2°C)
51.7°F
(10.9°C)
0.5°F
(0.3°C)
85th Coolest Coolest since: 2004 1905
39th Warmest Warmest since: 2008 2017
Ties: 1898, 1991, 2004
Apr 2006–Mar 2009
36-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
97th Coolest Coolest since: 2005 1979
26th Warmest Warmest since: 2008 2018
Ties: 1922, 1990, 2005
Apr 2005–Mar 2009
48-Month
52.9°F
(11.6°C)
51.6°F
(10.9°C)
1.3°F
(0.7°C)
112th Coolest Coolest since: 2006 1980
10th Warmest Warmest since: 2008 2019
Ties: 1957, 1992, 2000, 2001, 2003, 2005, 2006, 2014
Apr 2004–Mar 2009
60-Month
52.9°F
(11.6°C)
51.6°F
(10.9°C)
1.3°F
(0.7°C)
114th Coolest Coolest since: 2007 1906
7th Warmest Warmest since: 2008 1935
Ties: 1957, 1992, 2007, 2013

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 26, 2020 from https://www.ncdc.noaa.gov/cag/