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 August 2020. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, July 1991

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
July 1991
1-Month
78.3°F
(25.7°C)
77.9°F
(25.5°C)
0.4°F
(0.2°C)
80th Coolest Coolest since: 1990 2014
47th Warmest Warmest since: 1988 2012
Ties: 1978, 1987, 2018
Jun–Jul 1991
2-Month
77.4°F
(25.2°C)
75.9°F
(24.4°C)
1.5°F
(0.8°C)
100th Coolest Coolest since: 1990 1904, 1927
27th Warmest Warmest since: 1987 1934
Ties: 1944, 1987, 1999
May–Jul 1991
3-Month
75.2°F
(24.0°C)
72.3°F
(22.4°C)
2.9°F
(1.6°C)
117th Coolest Coolest since: 1990 1924
10th Warmest Warmest since: 1987 1934
Apr–Jul 1991
4-Month
71.2°F
(21.8°C)
68.0°F
(20.0°C)
3.2°F
(1.8°C)
123rd Coolest Coolest since: 1990 1907
4th Warmest Warmest since: 1934 2012
Mar–Jul 1991
5-Month
66.7°F
(19.3°C)
63.3°F
(17.4°C)
3.4°F
(1.9°C)
123rd Coolest Coolest since: 1990 1960
4th Warmest Warmest since: 1977 2012
Ties: 1921
Feb–Jul 1991
6-Month
62.2°F
(16.8°C)
58.6°F
(14.8°C)
3.6°F
(2.0°C)
124th Coolest Coolest since: 1990 1947
3rd Warmest Warmest since: 1921 2012
Ties: 1921
Jan–Jul 1991
7-Month
57.4°F
(14.1°C)
54.6°F
(12.6°C)
2.8°F
(1.5°C)
120th Coolest Coolest since: 1990 1912
7th Warmest Warmest since: 1953 2012
Ties: 1938, 1953, 2016
Dec 1990–Jul 1991
8-Month
54.7°F
(12.6°C)
52.2°F
(11.2°C)
2.5°F
(1.4°C)
118th Coolest Coolest since: 1990 1978
8th Warmest Warmest since: 1953 2012
Nov 1990–Jul 1991
9-Month
54.2°F
(12.3°C)
51.3°F
(10.7°C)
2.9°F
(1.6°C)
120th Coolest Coolest since: 1990 1904, 1912
6th Warmest Warmest since: 1932 2012
Ties: 2000
Oct 1990–Jul 1991
10-Month
54.4°F
(12.4°C)
52.0°F
(11.1°C)
2.4°F
(1.3°C)
119th Coolest Coolest since: 1990 1904, 1912
7th Warmest Warmest since: 1932 2012
Sep 1990–Jul 1991
11-Month
55.9°F
(13.3°C)
53.5°F
(11.9°C)
2.4°F
(1.4°C)
119th Coolest Coolest since: 1990 1904
7th Warmest Warmest since: 1932 2012
Ties: 2006
Aug 1990–Jul 1991
12-Month
57.4°F
(14.1°C)
55.4°F
(13.0°C)
2.0°F
(1.1°C)
117th Coolest Coolest since: 1990 1904
9th Warmest Warmest since: 1954 2012
Ties: 1934, 2000
Feb 1990–Jul 1991
18-Month
58.1°F
(14.5°C)
56.4°F
(13.6°C)
1.7°F
(0.9°C)
111th Coolest Coolest since: 1990 1918, 1979
15th Warmest Warmest since: 1987 2012
Ties: 1934, 1987, 2002
Aug 1989–Jul 1991
24-Month
56.5°F
(13.6°C)
55.4°F
(13.0°C)
1.1°F
(0.6°C)
102nd Coolest Coolest since: 1990 1979
23rd Warmest Warmest since: 1987 2017
Ties: 2008
Aug 1988–Jul 1991
36-Month
56.1°F
(13.4°C)
55.4°F
(13.0°C)
0.7°F
(0.4°C)
91st Coolest Coolest since: 1990 1979
33rd Warmest Warmest since: 1988 2018
Ties: 1974, 1993, 2005
Aug 1987–Jul 1991
48-Month
56.0°F
(13.3°C)
55.4°F
(13.0°C)
0.6°F
(0.3°C)
91st Coolest Coolest since: 1990 1980
32nd Warmest Warmest since: 1989 2019
Ties: 1936, 1937, 1939, 1941, 1988, 1989, 1993, 2004, 2015
Aug 1986–Jul 1991
60-Month
56.1°F
(13.4°C)
55.3°F
(12.9°C)
0.8°F
(0.5°C)
93rd Coolest Coolest since: 1990 1906, 1980
29th Warmest Warmest since: 1957 2020
Ties: 1925, 1938, 1955, 1992, 2005

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2020, retrieved on October 1, 2020 from https://www.ncdc.noaa.gov/cag/