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 January 2021. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, October 2019

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
October 2019
1-Month
53.7°F
(12.1°C)
54.6°F
(12.6°C)
-0.9°F
(-0.5°C)
45th Coolest Coolest since: 2012 1925
82nd Warmest Warmest since: 2018 1963
Ties: 1904, 1908
Sep–Oct 2019
2-Month
62.6°F
(17.0°C)
60.4°F
(15.8°C)
2.2°F
(1.2°C)
104th Coolest Coolest since: 2018 1917
23rd Warmest Warmest since: 2017 1897, 2016
Aug–Oct 2019
3-Month
66.0°F
(18.9°C)
64.7°F
(18.2°C)
1.3°F
(0.7°C)
97th Coolest Coolest since: 2017 1917
30th Warmest Warmest since: 2018 1947
Ties: 1906, 1940
Jul–Oct 2019
4-Month
68.9°F
(20.5°C)
67.5°F
(19.7°C)
1.4°F
(0.8°C)
103rd Coolest Coolest since: 2018 1917
24th Warmest Warmest since: 2016 1936
Jun–Oct 2019
5-Month
69.3°F
(20.7°C)
68.3°F
(20.2°C)
1.0°F
(0.5°C)
94th 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)
67.3°F
(19.6°C)
0.9°F
(0.5°C)
95th 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)
65.0°F
(18.3°C)
0.9°F
(0.5°C)
93rd Coolest Coolest since: 2014 1917
34th Warmest Warmest since: 2018 2010
Ties: 1899, 1919, 1947, 2002, 2011
Mar–Oct 2019
8-Month
62.3°F
(16.8°C)
61.8°F
(16.6°C)
0.5°F
(0.2°C)
78th Coolest Coolest since: 2014 1917
49th Warmest Warmest since: 2018 2012
Ties: 1908, 1925
Feb–Oct 2019
9-Month
58.7°F
(14.8°C)
58.2°F
(14.6°C)
0.5°F
(0.2°C)
82nd Coolest Coolest since: 2015 1917
45th Warmest Warmest since: 2018 2012
Ties: 1927, 1949, 1988, 2020
Jan–Oct 2019
10-Month
55.3°F
(12.9°C)
54.9°F
(12.7°C)
0.4°F
(0.2°C)
77th Coolest Coolest since: 2015 1904
50th Warmest Warmest since: 2018 2012
Ties: 1896, 1927, 1959
Dec 2018–Oct 2019
11-Month
53.4°F
(11.9°C)
52.6°F
(11.4°C)
0.8°F
(0.5°C)
86th Coolest Coolest since: 2015 1904
40th Warmest Warmest since: 2018 2012
Nov 2018–Oct 2019
12-Month
51.9°F
(11.1°C)
51.6°F
(10.9°C)
0.3°F
(0.2°C)
74th Coolest Coolest since: 2015 1904
52nd Warmest Warmest since: 2018 2012
Ties: 1925
May 2018–Oct 2019
18-Month
58.0°F
(14.4°C)
56.9°F
(13.8°C)
1.1°F
(0.6°C)
100th 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)
90th Coolest Coolest since: 2015 1905
35th Warmest Warmest since: 2018 2017
Ties: 1947, 2020
Nov 2016–Oct 2019
36-Month
53.1°F
(11.7°C)
51.6°F
(10.9°C)
1.5°F
(0.8°C)
111th 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)
122nd 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
3rd Warmest Warmest since: 2002 2002, 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2021, retrieved on March 3, 2021 from https://www.ncdc.noaa.gov/cag/