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 September 2019. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, July 1939

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
July 1939
1-Month
75.8°F
(24.3°C)
75.6°F
(24.2°C)
0.2°F
(0.1°C)
76th Coolest Coolest since: 1937 2009, 2014
50th Warmest Warmest since: 1938 1936
Ties: 1911
Jun–Jul 1939
2-Month
74.2°F
(23.4°C)
73.4°F
(23.0°C)
0.8°F
(0.4°C)
86th Coolest Coolest since: 1938 1915
40th Warmest Warmest since: 1936 1934
Ties: 1940, 1957, 2006, 2019
May–Jul 1939
3-Month
71.2°F
(21.8°C)
69.7°F
(20.9°C)
1.5°F
(0.9°C)
98th Coolest Coolest since: 1938 1924
28th Warmest Warmest since: 1936 1934
Ties: 1913, 2007
Apr–Jul 1939
4-Month
65.5°F
(18.6°C)
65.1°F
(18.4°C)
0.4°F
(0.2°C)
68th Coolest Coolest since: 1938 1907
58th Warmest Warmest since: 1936 1934
Mar–Jul 1939
5-Month
60.8°F
(16.0°C)
60.1°F
(15.6°C)
0.7°F
(0.4°C)
79th Coolest Coolest since: 1937 1960
47th Warmest Warmest since: 1938 2012
Ties: 1981
Feb–Jul 1939
6-Month
55.4°F
(13.0°C)
55.0°F
(12.8°C)
0.4°F
(0.2°C)
72nd Coolest Coolest since: 1937 1947
54th Warmest Warmest since: 1938 2012
Ties: 1941, 1983
Jan–Jul 1939
7-Month
52.1°F
(11.2°C)
50.7°F
(10.4°C)
1.4°F
(0.8°C)
91st Coolest Coolest since: 1937 1912
35th Warmest Warmest since: 1938 2012
Ties: 1973
Dec 1938–Jul 1939
8-Month
49.4°F
(9.7°C)
48.1°F
(8.9°C)
1.3°F
(0.8°C)
92nd Coolest Coolest since: 1937 1904
33rd Warmest Warmest since: 1938 2012
Ties: 1914, 1941, 2010
Nov 1938–Jul 1939
9-Month
48.7°F
(9.3°C)
47.3°F
(8.5°C)
1.4°F
(0.8°C)
96th Coolest Coolest since: 1938 1904
29th Warmest Warmest since: 1934 2012
Oct 1938–Jul 1939
10-Month
49.7°F
(9.8°C)
48.0°F
(8.9°C)
1.7°F
(0.9°C)
108th Coolest Coolest since: 1938 1904
17th Warmest Warmest since: 1934 2012
Ties: 1934
Sep 1938–Jul 1939
11-Month
51.4°F
(10.8°C)
49.7°F
(9.8°C)
1.7°F
(1.0°C)
109th Coolest Coolest since: 1938 1904
16th Warmest Warmest since: 1934 2012
Ties: 1942
Aug 1938–Jul 1939
12-Month
53.5°F
(11.9°C)
51.7°F
(10.9°C)
1.8°F
(1.0°C)
112th Coolest Coolest since: 1938 1904
13th Warmest Warmest since: 1934 2012
Ties: 1934, 1998
Feb 1938–Jul 1939
18-Month
54.8°F
(12.7°C)
52.7°F
(11.5°C)
2.1°F
(1.2°C)
116th Coolest Coolest since: 1938 1918
9th Warmest Warmest since: 1932 2012
Ties: 1954, 1987, 1992
Aug 1937–Jul 1939
24-Month
53.0°F
(11.7°C)
51.6°F
(10.9°C)
1.4°F
(0.8°C)
108th Coolest Coolest since: 1938 1905
16th Warmest Warmest since: 1933 2017
Ties: 1942
Aug 1936–Jul 1939
36-Month
52.6°F
(11.4°C)
51.6°F
(10.9°C)
1.0°F
(0.5°C)
99th Coolest Coolest since: 1938 1979
24th Warmest Warmest since: 1935 2018
Ties: 1935, 1987, 1989, 1991
Aug 1935–Jul 1939
48-Month
52.1°F
(11.2°C)
51.6°F
(10.9°C)
0.5°F
(0.3°C)
81st Coolest Coolest since: 1938 1905, 1980
41st Warmest Warmest since: 1936 2019
Ties: 1936, 1949, 1976, 2015
Aug 1934–Jul 1939
60-Month
52.1°F
(11.2°C)
51.6°F
(10.9°C)
0.5°F
(0.3°C)
76th Coolest Coolest since: 1938 1906
45th Warmest Warmest since: 1938 2002
Ties: 1937, 1938, 1945

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 15, 2019 from https://www.ncdc.noaa.gov/cag/