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 2020. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, October 1921

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
October 1921
1-Month
54.3°F
(12.4°C)
54.6°F
(12.6°C)
-0.3°F
(-0.2°C)
56th Coolest Coolest since: 1917 1925
71st Warmest Warmest since: 1920 1963
Ties: 1979, 2014
Sep–Oct 1921
2-Month
62.3°F
(16.8°C)
60.4°F
(15.8°C)
1.9°F
(1.0°C)
101st Coolest Coolest since: 1918 1917
26th Warmest Warmest since: 1920 1897, 2016
Ties: 1954
Aug–Oct 1921
3-Month
65.9°F
(18.8°C)
64.8°F
(18.2°C)
1.1°F
(0.6°C)
94th Coolest Coolest since: 1918 1917
33rd Warmest Warmest since: 1920 1947
Ties: 1914, 1959
Jul–Oct 1921
4-Month
69.3°F
(20.7°C)
67.5°F
(19.7°C)
1.8°F
(1.0°C)
111th Coolest Coolest since: 1920 1917
16th Warmest Warmest since: 1900 1936
Jun–Oct 1921
5-Month
70.6°F
(21.4°C)
68.3°F
(20.2°C)
2.3°F
(1.2°C)
120th Coolest Coolest since: 1920 1917
7th Warmest Warmest to Date 1936
Ties: 1953, 1954, 2010
May–Oct 1921
6-Month
69.5°F
(20.8°C)
67.2°F
(19.6°C)
2.3°F
(1.2°C)
120th Coolest Coolest since: 1920 1917
7th Warmest Warmest to Date 1936
Ties: 1941, 1991, 1998
Apr–Oct 1921
7-Month
67.3°F
(19.6°C)
65.0°F
(18.3°C)
2.3°F
(1.3°C)
119th Coolest Coolest since: 1920 1917
8th Warmest Warmest to Date 2010
Mar–Oct 1921
8-Month
65.0°F
(18.3°C)
61.9°F
(16.6°C)
3.1°F
(1.7°C)
125th Coolest Coolest since: 1920 1917
2nd Warmest Warmest to Date 2012
Ties: 2007, 2010
Feb–Oct 1921
9-Month
61.6°F
(16.4°C)
58.2°F
(14.6°C)
3.4°F
(1.8°C)
125th Coolest Coolest since: 1920 1917
2nd Warmest Warmest to Date 2012
Jan–Oct 1921
10-Month
58.7°F
(14.8°C)
54.9°F
(12.7°C)
3.8°F
(2.1°C)
125th Coolest Coolest since: 1920 1904
2nd Warmest Warmest to Date 2012
Dec 1920–Oct 1921
11-Month
56.2°F
(13.4°C)
52.6°F
(11.4°C)
3.6°F
(2.0°C)
123rd Coolest Coolest since: 1920 1904
3rd Warmest Warmest to Date 2012
Nov 1920–Oct 1921
12-Month
54.7°F
(12.6°C)
51.6°F
(10.9°C)
3.1°F
(1.7°C)
122nd Coolest Coolest since: 1920 1904
4th Warmest Warmest to Date 2012
May 1920–Oct 1921
18-Month
59.0°F
(15.0°C)
56.9°F
(13.8°C)
2.1°F
(1.2°C)
121st Coolest Coolest since: 1920 1904
5th Warmest Warmest to Date 2012
Ties: 1954
Nov 1919–Oct 1921
24-Month
52.4°F
(11.3°C)
51.6°F
(10.9°C)
0.8°F
(0.4°C)
91st Coolest Coolest since: 1920 1905
34th Warmest Warmest since: 1914 2017
Nov 1918–Oct 1921
36-Month
52.8°F
(11.6°C)
51.6°F
(10.9°C)
1.2°F
(0.7°C)
105th Coolest Coolest since: 1920 1904, 1979
19th Warmest Warmest to Date 2018
Ties: 1999, 2004
Nov 1917–Oct 1921
48-Month
52.1°F
(11.2°C)
51.6°F
(10.9°C)
0.5°F
(0.3°C)
82nd Coolest Coolest since: 1920 1905
41st Warmest Warmest to Date 2019
Ties: 1940, 1949, 1954, 1999, 2016
Nov 1916–Oct 1921
60-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
42nd Coolest Coolest since: 1920 1905, 1906
80th Warmest Warmest since: 1915 2002, 2020
Ties: 1915, 1926, 1951, 1973, 1996

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 22, 2021 from https://www.ncdc.noaa.gov/cag/