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


Illinois, Climate Division 3. West

Average Temperature Rankings, January 2021

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
January 2021
1-Month
27.9°F
(-2.3°C)
23.8°F
(-4.6°C)
4.1°F
(2.3°C)
99th Coolest Coolest since: 2019 1977
29th Warmest Warmest since: 2020 2006
Ties: 1896, 1953
Dec 2020–Jan 2021
2-Month
29.8°F
(-1.2°C)
26.2°F
(-3.2°C)
3.6°F
(2.0°C)
101st Coolest Coolest since: 2019 1918
26th Warmest Warmest since: 2020 1932
Ties: 1953
Nov 2020–Jan 2021
3-Month
35.4°F
(1.9°C)
30.8°F
(-0.7°C)
4.6°F
(2.6°C)
121st Coolest Coolest since: 2020 1977
6th Warmest Warmest since: 2016 2002
Oct 2020–Jan 2021
4-Month
39.2°F
(4.0°C)
36.8°F
(2.7°C)
2.4°F
(1.3°C)
105th Coolest Coolest since: 2020 1977
22nd Warmest Warmest since: 2017 1932
Ties: 1999
Sep 2020–Jan 2021
5-Month
44.3°F
(6.8°C)
42.6°F
(5.9°C)
1.7°F
(0.9°C)
94th Coolest Coolest since: 2019 1977
33rd Warmest Warmest since: 2020 1932
Aug 2020–Jan 2021
6-Month
49.1°F
(9.5°C)
47.8°F
(8.8°C)
1.3°F
(0.7°C)
95th Coolest Coolest since: 2019 1977
32nd Warmest Warmest since: 2020 1932
Ties: 1913, 2007
Jul 2020–Jan 2021
7-Month
53.0°F
(11.7°C)
51.8°F
(11.0°C)
1.2°F
(0.7°C)
94th Coolest Coolest since: 2019 1977
33rd Warmest Warmest since: 2020 1932
Ties: 1981, 1983
Jun 2020–Jan 2021
8-Month
55.6°F
(13.1°C)
54.3°F
(12.4°C)
1.3°F
(0.7°C)
96th Coolest Coolest since: 2020 1977
31st Warmest Warmest since: 2020 1932
Ties: 2007, 2020
May 2020–Jan 2021
9-Month
56.1°F
(13.4°C)
55.1°F
(12.8°C)
1.0°F
(0.6°C)
90th Coolest Coolest since: 2018 1918, 1977
37th Warmest Warmest since: 2020 1932
Ties: 1913, 1964, 1972, 1983
Apr 2020–Jan 2021
10-Month
55.4°F
(13.0°C)
54.7°F
(12.6°C)
0.7°F
(0.4°C)
76th Coolest Coolest since: 2019 1918
51st Warmest Warmest since: 2020 1932
Ties: 1907, 2019
Mar 2020–Jan 2021
11-Month
54.4°F
(12.4°C)
53.4°F
(11.9°C)
1.0°F
(0.5°C)
94th Coolest Coolest since: 2020 1918
33rd Warmest Warmest since: 2017 1932, 2013, 2017
Feb 2020–Jan 2021
12-Month
52.4°F
(11.3°C)
51.3°F
(10.7°C)
1.1°F
(0.6°C)
99th Coolest Coolest since: 2020 1918
28th Warmest Warmest since: 2018 1932
Ties: 2016
Aug 2019–Jan 2021
18-Month
51.3°F
(10.7°C)
50.1°F
(10.1°C)
1.2°F
(0.6°C)
101st Coolest Coolest since: 2020 1905, 1918
25th Warmest Warmest since: 2018 2017
Ties: 1934, 1949, 1989, 2012
Feb 2019–Jan 2021
24-Month
52.0°F
(11.1°C)
51.2°F
(10.7°C)
0.8°F
(0.4°C)
91st Coolest Coolest since: 2020 1918
35th Warmest Warmest since: 2019 1932
Ties: 1948, 1958
Feb 2018–Jan 2021
36-Month
51.9°F
(11.1°C)
51.2°F
(10.7°C)
0.7°F
(0.4°C)
88th Coolest Coolest since: 2016 1905
37th Warmest Warmest since: 2020 1933
Ties: 1992, 2012
Feb 2017–Jan 2021
48-Month
52.2°F
(11.2°C)
51.2°F
(10.7°C)
1.0°F
(0.5°C)
101st Coolest Coolest since: 2017 1905
23rd Warmest Warmest since: 2020 1934
Ties: 1932, 1940, 1990, 2006
Feb 2016–Jan 2021
60-Month
52.7°F
(11.5°C)
51.2°F
(10.7°C)
1.5°F
(0.8°C)
121st Coolest Coolest since: 2020 1906
2nd Warmest Warmest since: 2020 1935
Ties: 2002, 2003, 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published November 2021, retrieved on November 28, 2021 from https://www.ncdc.noaa.gov/cag/