Climate at a Glance

Divisional 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 September 2019. For more information, please see Climatological Rankings.


Illinois, Climate Division 1. Northwest

Average Temperature Rankings, April 2019

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 2019
1-Month
48.8°F
(9.3°C)
48.3°F
(9.1°C)
0.5°F
(0.2°C)
60th Coolest Coolest since: 2018 2018
66th Warmest Warmest since: 2017 2010
Ties: 1908, 1912
Mar–Apr 2019
2-Month
41.3°F
(5.2°C)
42.0°F
(5.6°C)
-0.7°F
(-0.4°C)
51st Coolest Coolest since: 2018 1926
75th Warmest Warmest since: 2017 2012
Ties: 1914, 1970
Feb–Apr 2019
3-Month
34.6°F
(1.4°C)
36.0°F
(2.2°C)
-1.4°F
(-0.8°C)
44th Coolest Coolest since: 2018 1912, 2014
82nd Warmest Warmest since: 2017 2012
Jan–Apr 2019
4-Month
30.8°F
(-0.7°C)
32.0°F
(0.0°C)
-1.2°F
(-0.7°C)
43rd Coolest Coolest since: 2018 1912
83rd Warmest Warmest since: 2017 2012
Ties: 1926
Dec 2018–Apr 2019
5-Month
30.7°F
(-0.7°C)
30.6°F
(-0.8°C)
0.1°F
(0.1°C)
59th Coolest Coolest since: 2018 1979
66th Warmest Warmest since: 2017 2012
Ties: 1906, 1924
Nov 2018–Apr 2019
6-Month
31.0°F
(-0.6°C)
31.7°F
(-0.2°C)
-0.7°F
(-0.4°C)
42nd Coolest Coolest since: 2018 1912
83rd Warmest Warmest since: 2017 2012
Ties: 1948, 1969, 1975, 1986, 2008
Oct 2018–Apr 2019
7-Month
33.7°F
(0.9°C)
34.6°F
(1.4°C)
-0.9°F
(-0.5°C)
33rd Coolest Coolest since: 2015 1912
92nd Warmest Warmest since: 2018 2012
Ties: 1897
Sep 2018–Apr 2019
8-Month
37.8°F
(3.2°C)
38.1°F
(3.4°C)
-0.3°F
(-0.2°C)
43rd Coolest Coolest since: 2015 1904, 1912
82nd Warmest Warmest since: 2018 2017
Ties: 1910, 1930, 1980, 1986, 2001, 2009
Aug 2018–Apr 2019
9-Month
41.7°F
(5.4°C)
41.8°F
(5.4°C)
-0.1°F
(0.0°C)
50th Coolest Coolest since: 2018 1904
75th Warmest Warmest since: 2017 2017
Ties: 1908, 1911, 1947, 1967, 2001
Jul 2018–Apr 2019
10-Month
44.8°F
(7.1°C)
45.0°F
(7.2°C)
-0.2°F
(-0.1°C)
46th Coolest Coolest since: 2018 1904
79th Warmest Warmest since: 2017 2012
Ties: 1906, 1908, 1910, 1924, 1925, 1940, 1950
Jun 2018–Apr 2019
11-Month
47.3°F
(8.5°C)
47.2°F
(8.4°C)
0.1°F
(0.1°C)
66th Coolest Coolest since: 2018 1904
59th Warmest Warmest since: 2017 2012, 2017
Ties: 1907, 1909, 1923, 1924, 1950, 1967
May 2018–Apr 2019
12-Month
49.0°F
(9.4°C)
48.2°F
(9.0°C)
0.8°F
(0.4°C)
82nd Coolest Coolest since: 2018 1918
43rd Warmest Warmest since: 2017 2012, 2017
Nov 2017–Apr 2019
18-Month
42.9°F
(6.1°C)
42.7°F
(5.9°C)
0.2°F
(0.2°C)
71st Coolest Coolest since: 2015 1918
53rd Warmest Warmest since: 2018 2017
Ties: 1953, 1957, 1996
May 2017–Apr 2019
24-Month
48.5°F
(9.2°C)
48.2°F
(9.0°C)
0.3°F
(0.2°C)
72nd Coolest Coolest since: 2015 1905
52nd Warmest Warmest since: 2018 2017
Ties: 1949, 1950, 1985, 1998
May 2016–Apr 2019
36-Month
49.9°F
(9.9°C)
48.2°F
(9.0°C)
1.7°F
(0.9°C)
110th Coolest Coolest since: 2016 1918
13th Warmest Warmest since: 2018 2000
May 2015–Apr 2019
48-Month
50.3°F
(10.2°C)
48.2°F
(9.0°C)
2.1°F
(1.2°C)
120th Coolest Coolest since: 2018 1980
2nd Warmest Warmest since: 2002 2002
May 2014–Apr 2019
60-Month
49.7°F
(9.8°C)
48.2°F
(9.0°C)
1.5°F
(0.8°C)
113th Coolest Coolest since: 2018 1920
8th Warmest Warmest since: 2008 2002, 2006

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published October 2019, retrieved on October 21, 2019 from https://www.ncdc.noaa.gov/cag/