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, January 1940

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
January 1940
1-Month
13.1°F
(-10.5°C)
25.3°F
(-3.7°C)
-12.2°F
(-6.8°C)
5th Coolest Coolest since: 1918 1977
121st Warmest Warmest since: 1939 2006
Dec 1939–Jan 1940
2-Month
23.6°F
(-4.7°C)
27.4°F
(-2.6°C)
-3.8°F
(-2.1°C)
22nd Coolest Coolest since: 1936 1918
103rd Warmest Warmest since: 1939 1932
Nov 1939–Jan 1940
3-Month
29.0°F
(-1.7°C)
31.9°F
(-0.1°C)
-2.9°F
(-1.6°C)
18th Coolest Coolest since: 1936 1977
107th Warmest Warmest since: 1939 1932
Oct 1939–Jan 1940
4-Month
35.9°F
(2.2°C)
37.6°F
(3.1°C)
-1.7°F
(-0.9°C)
28th Coolest Coolest since: 1938 1977
97th Warmest Warmest since: 1939 1932
Ties: 1996
Sep 1939–Jan 1940
5-Month
42.9°F
(6.1°C)
43.3°F
(6.3°C)
-0.4°F
(-0.2°C)
51st Coolest Coolest since: 1938 1977
74th Warmest Warmest since: 1939 1932
Ties: 1908
Aug 1939–Jan 1940
6-Month
47.8°F
(8.8°C)
48.3°F
(9.1°C)
-0.5°F
(-0.3°C)
44th Coolest Coolest since: 1938 1977
81st Warmest Warmest since: 1939 1932
Ties: 1903, 1908, 1929, 1990, 2015
Jul 1939–Jan 1940
7-Month
51.8°F
(11.0°C)
52.2°F
(11.2°C)
-0.4°F
(-0.2°C)
46th Coolest Coolest since: 1938 1977
79th Warmest Warmest since: 1939 1932
Ties: 1990
Jun 1939–Jan 1940
8-Month
54.4°F
(12.4°C)
54.6°F
(12.6°C)
-0.2°F
(-0.2°C)
50th Coolest Coolest since: 1938 1918, 1977
75th Warmest Warmest since: 1939 1932
Ties: 1896, 1971
May 1939–Jan 1940
9-Month
55.6°F
(13.1°C)
55.4°F
(13.0°C)
0.2°F
(0.1°C)
60th Coolest Coolest since: 1938 1918
65th Warmest Warmest since: 1939 1932
Ties: 1958, 1971, 1980
Apr 1939–Jan 1940
10-Month
54.9°F
(12.7°C)
55.1°F
(12.8°C)
-0.2°F
(-0.1°C)
52nd Coolest Coolest since: 1938 1918
73rd Warmest Warmest since: 1939 1932
Ties: 1944, 1978, 1980, 1985
Mar 1939–Jan 1940
11-Month
53.7°F
(12.1°C)
53.7°F
(12.1°C)
0.0°F
(0.0°C)
60th Coolest Coolest since: 1938 1918
65th Warmest Warmest since: 1939 2013
Ties: 1933, 1971
Feb 1939–Jan 1940
12-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
61st Coolest Coolest since: 1938 1918
64th Warmest Warmest since: 1939 2013
Ties: 1993
Aug 1938–Jan 1940
18-Month
51.6°F
(10.9°C)
50.5°F
(10.3°C)
1.1°F
(0.6°C)
97th Coolest Coolest since: 1938 1918
27th Warmest Warmest since: 1939 2017
Ties: 1989, 2002
Feb 1938–Jan 1940
24-Month
53.1°F
(11.7°C)
51.6°F
(10.9°C)
1.5°F
(0.8°C)
105th Coolest Coolest since: 1939 1918
19th Warmest Warmest since: 1933 2013
Ties: 1922, 1954
Feb 1937–Jan 1940
36-Month
52.3°F
(11.3°C)
51.6°F
(10.9°C)
0.7°F
(0.4°C)
89th Coolest Coolest since: 1938 1905
34th Warmest Warmest since: 1939 2013
Ties: 1958
Feb 1936–Jan 1940
48-Month
52.3°F
(11.3°C)
51.6°F
(10.9°C)
0.7°F
(0.4°C)
89th Coolest Coolest since: 1939 1905
33rd Warmest Warmest since: 1937 1934, 2002, 2019
Ties: 1932, 1937
Feb 1935–Jan 1940
60-Month
52.0°F
(11.1°C)
51.6°F
(10.9°C)
0.4°F
(0.2°C)
76th Coolest Coolest since: 1938 1906
45th Warmest Warmest since: 1939 1935, 2003
Ties: 1925, 1926, 1944, 1959, 1996

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 14, 2019 from https://www.ncdc.noaa.gov/cag/