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


Illinois

Average Temperature Rankings, April 2010

View Period (Months):All1234567891011121824364860
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  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 2010
1-Month
58.7°F
(14.8°C)
51.5°F
(10.8°C)
7.2°F
(4.0°C)
125th Coolest Coolest since: 2009 1907
1st Warmest Warmest to Date 2010
Mar–Apr 2010
2-Month
51.2°F
(10.7°C)
45.6°F
(7.6°C)
5.6°F
(3.1°C)
119th Coolest Coolest since: 2009 1926
7th Warmest Warmest since: 1977 2012
Feb–Apr 2010
3-Month
42.7°F
(5.9°C)
40.1°F
(4.5°C)
2.6°F
(1.4°C)
99th Coolest Coolest since: 2009 1978
27th Warmest Warmest since: 2006 2012
Jan–Apr 2010
4-Month
37.4°F
(3.0°C)
36.4°F
(2.4°C)
1.0°F
(0.6°C)
78th Coolest Coolest since: 2009 1912
48th Warmest Warmest since: 2007 2012
Dec 2009–Apr 2010
5-Month
35.8°F
(2.1°C)
35.1°F
(1.7°C)
0.7°F
(0.4°C)
74th Coolest Coolest since: 2009 1978
51st Warmest Warmest since: 2007 2012
Ties: 1945, 2019
Nov 2009–Apr 2010
6-Month
37.7°F
(3.2°C)
36.1°F
(2.3°C)
1.6°F
(0.9°C)
96th Coolest Coolest since: 2009 1904
29th Warmest Warmest since: 2007 2012
Ties: 1974, 1990
Oct 2009–Apr 2010
7-Month
39.4°F
(4.1°C)
38.6°F
(3.7°C)
0.8°F
(0.4°C)
79th Coolest Coolest since: 2009 1904
46th Warmest Warmest since: 2008 2012
Ties: 1898, 2008
Sep 2009–Apr 2010
8-Month
42.8°F
(6.0°C)
42.2°F
(5.7°C)
0.6°F
(0.3°C)
81st Coolest Coolest since: 2009 1904
44th Warmest Warmest since: 2008 2017
Ties: 1914, 1934, 1941, 1948, 1985
Aug 2009–Apr 2010
9-Month
45.9°F
(7.7°C)
45.6°F
(7.6°C)
0.3°F
(0.1°C)
67th Coolest Coolest since: 2009 1904
58th Warmest Warmest since: 2008 2017
Ties: 1915, 1928, 1966
Jul 2009–Apr 2010
10-Month
48.3°F
(9.1°C)
48.6°F
(9.2°C)
-0.3°F
(-0.1°C)
43rd Coolest Coolest since: 2001 1904
82nd Warmest Warmest since: 2009 2012
Ties: 1911, 1929, 1971, 1984
Jun 2009–Apr 2010
11-Month
50.5°F
(10.3°C)
50.6°F
(10.3°C)
-0.1°F
(0.0°C)
49th Coolest Coolest since: 2001 1904
76th Warmest Warmest since: 2009 2017
Ties: 1910, 1944, 1947, 1984, 1986
May 2009–Apr 2010
12-Month
51.6°F
(10.9°C)
51.7°F
(10.9°C)
-0.1°F
(0.0°C)
55th Coolest Coolest since: 2009 1918
70th Warmest Warmest since: 2008 2012, 2017
Ties: 1900, 1903, 1971, 1986, 2018
Nov 2008–Apr 2010
18-Month
46.4°F
(8.0°C)
46.4°F
(8.0°C)
0.0°F
(0.0°C)
56th Coolest Coolest since: 2009 1905
68th Warmest Warmest since: 2008 2017
Ties: 1907
May 2008–Apr 2010
24-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
43rd Coolest Coolest since: 1997 1905
81st Warmest Warmest since: 2009 2017
Ties: 1909, 1916, 1947
May 2007–Apr 2010
36-Month
52.0°F
(11.1°C)
51.6°F
(10.9°C)
0.4°F
(0.2°C)
76th Coolest Coolest since: 1998 1979
47th Warmest Warmest since: 2009 2018
Ties: 1937, 1946
May 2006–Apr 2010
48-Month
52.1°F
(11.2°C)
51.6°F
(10.9°C)
0.5°F
(0.3°C)
82nd Coolest Coolest since: 1999 1980
40th Warmest Warmest since: 2009 2019
Ties: 1938, 1943, 1944, 1958, 1974, 1976, 1999
May 2005–Apr 2010
60-Month
52.6°F
(11.4°C)
51.6°F
(10.9°C)
1.0°F
(0.5°C)
104th Coolest Coolest since: 2005 1906
17th Warmest Warmest since: 2009 1935, 2002
Ties: 1923, 1956, 1958, 1991, 2001, 2005

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 15, 2019 from https://www.ncdc.noaa.gov/cag/