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, October 2019

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
October 2019
1-Month
53.9°F
(12.2°C)
54.6°F
(12.6°C)
-0.7°F
(-0.4°C)
48th Coolest Coolest since: 2012 1925
78th Warmest Warmest since: 2018 1963
Ties: 1936, 1965, 1974
Sep–Oct 2019
2-Month
62.8°F
(17.1°C)
60.5°F
(15.8°C)
2.3°F
(1.3°C)
105th Coolest Coolest since: 2018 1917
21st Warmest Warmest since: 2017 1897, 2016
Ties: 1919, 1953
Aug–Oct 2019
3-Month
66.1°F
(18.9°C)
64.7°F
(18.2°C)
1.4°F
(0.7°C)
99th Coolest Coolest since: 2017 1917
27th Warmest Warmest since: 2018 1947
Ties: 1899, 1919, 2015
Jul–Oct 2019
4-Month
68.9°F
(20.5°C)
67.4°F
(19.7°C)
1.5°F
(0.8°C)
102nd Coolest Coolest since: 2018 1917
24th Warmest Warmest since: 2016 1936
Jun–Oct 2019
5-Month
69.3°F
(20.7°C)
68.2°F
(20.1°C)
1.1°F
(0.6°C)
93rd Coolest Coolest since: 2017 1917
33rd Warmest Warmest since: 2018 1936
Ties: 1940, 2011
May–Oct 2019
6-Month
68.2°F
(20.1°C)
67.2°F
(19.6°C)
1.0°F
(0.5°C)
94th Coolest Coolest since: 2017 1917
32nd Warmest Warmest since: 2018 1936
Ties: 1913, 1919, 1963, 2015
Apr–Oct 2019
7-Month
65.9°F
(18.8°C)
64.9°F
(18.3°C)
1.0°F
(0.5°C)
92nd Coolest Coolest since: 2014 1917
34th Warmest Warmest since: 2018 2010
Ties: 1899, 1919, 1947, 2002, 2011
Mar–Oct 2019
8-Month
62.4°F
(16.9°C)
61.9°F
(16.6°C)
0.5°F
(0.3°C)
84th Coolest Coolest since: 2014 1917
42nd Warmest Warmest since: 2018 2012
Ties: 1901, 1910, 1942, 1983, 1999, 2002, 2006
Feb–Oct 2019
9-Month
58.7°F
(14.8°C)
58.2°F
(14.6°C)
0.5°F
(0.2°C)
81st Coolest Coolest since: 2015 1917
45th Warmest Warmest since: 2018 2012
Ties: 1927, 1949, 1988
Jan–Oct 2019
10-Month
55.4°F
(13.0°C)
54.9°F
(12.7°C)
0.5°F
(0.3°C)
80th Coolest Coolest since: 2015 1904
46th Warmest Warmest since: 2018 2012
Ties: 1898, 1908, 2004
Dec 2018–Oct 2019
11-Month
53.5°F
(11.9°C)
52.6°F
(11.4°C)
0.9°F
(0.5°C)
90th Coolest Coolest since: 2015 1904
35th Warmest Warmest since: 2018 2012
Ties: 1930, 1942, 1944, 2004
Nov 2018–Oct 2019
12-Month
52.0°F
(11.1°C)
51.7°F
(10.9°C)
0.3°F
(0.2°C)
79th Coolest Coolest since: 2015 1904
46th Warmest Warmest since: 2018 2012
Ties: 1908, 1930, 1935, 1990, 2011
May 2018–Oct 2019
18-Month
58.0°F
(14.4°C)
56.9°F
(13.8°C)
1.1°F
(0.6°C)
99th Coolest Coolest since: 2018 1904
26th Warmest Warmest since: 2017 2012
Nov 2017–Oct 2019
24-Month
52.3°F
(11.3°C)
51.6°F
(10.9°C)
0.7°F
(0.4°C)
89th Coolest Coolest since: 2015 1905
35th Warmest Warmest since: 2018 2017
Ties: 1947
Nov 2016–Oct 2019
36-Month
53.1°F
(11.7°C)
51.6°F
(10.9°C)
1.5°F
(0.8°C)
110th Coolest Coolest since: 2016 1904, 1979
13th Warmest Warmest since: 2018 2018
Nov 2015–Oct 2019
48-Month
53.8°F
(12.1°C)
51.6°F
(10.9°C)
2.2°F
(1.2°C)
121st Coolest Coolest since: 2018 1905
1st Warmest Warmest to Date 2019
Nov 2014–Oct 2019
60-Month
53.3°F
(11.8°C)
51.6°F
(10.9°C)
1.7°F
(0.9°C)
119th Coolest Coolest since: 2018 1905, 1906
2nd Warmest Warmest since: 2002 2002

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on December 7, 2019 from https://www.ncdc.noaa.gov/cag/