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, July 1934

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
July 1934
1-Month
81.0°F
(27.2°C)
75.6°F
(24.2°C)
5.4°F
(3.0°C)
123rd Coolest Coolest since: 1933 2009, 2014
4th Warmest Warmest since: 1901 1936
Jun–Jul 1934
2-Month
79.6°F
(26.4°C)
73.5°F
(23.1°C)
6.1°F
(3.3°C)
126th Coolest Coolest since: 1933 1915
1st Warmest Warmest to Date 1934
May–Jul 1934
3-Month
75.5°F
(24.2°C)
69.7°F
(20.9°C)
5.8°F
(3.3°C)
126th Coolest Coolest since: 1933 1924
1st Warmest Warmest to Date 1934
Apr–Jul 1934
4-Month
69.6°F
(20.9°C)
65.1°F
(18.4°C)
4.5°F
(2.5°C)
126th Coolest Coolest since: 1933 1907
1st Warmest Warmest to Date 1934
Mar–Jul 1934
5-Month
62.9°F
(17.2°C)
60.1°F
(15.6°C)
2.8°F
(1.6°C)
120th Coolest Coolest since: 1933 1960
7th Warmest Warmest since: 1921 2012
Feb–Jul 1934
6-Month
56.5°F
(13.6°C)
54.9°F
(12.7°C)
1.6°F
(0.9°C)
101st Coolest Coolest since: 1933 1947
26th Warmest Warmest since: 1930 2012
Jan–Jul 1934
7-Month
53.0°F
(11.7°C)
50.7°F
(10.4°C)
2.3°F
(1.3°C)
112th Coolest Coolest since: 1932 1912
15th Warmest Warmest since: 1933 2012
Ties: 2000, 2002
Dec 1933–Jul 1934
8-Month
50.6°F
(10.3°C)
48.1°F
(8.9°C)
2.5°F
(1.4°C)
116th Coolest Coolest since: 1933 1904
10th Warmest Warmest since: 1932 2012
Ties: 1954, 1999, 2006, 2020
Nov 1933–Jul 1934
9-Month
49.4°F
(9.7°C)
47.3°F
(8.5°C)
2.1°F
(1.2°C)
111th Coolest Coolest since: 1933 1904
15th Warmest Warmest since: 1932 2012
Ties: 1953
Oct 1933–Jul 1934
10-Month
49.7°F
(9.8°C)
48.0°F
(8.9°C)
1.7°F
(0.9°C)
109th Coolest Coolest since: 1933 1904
17th Warmest Warmest since: 1932 2012
Ties: 1939
Sep 1933–Jul 1934
11-Month
51.7°F
(10.9°C)
49.6°F
(9.8°C)
2.1°F
(1.1°C)
111th Coolest Coolest since: 1933 1904
15th Warmest Warmest since: 1932 2012
Aug 1933–Jul 1934
12-Month
53.5°F
(11.9°C)
51.7°F
(10.9°C)
1.8°F
(1.0°C)
113th Coolest Coolest since: 1933 1904
13th Warmest Warmest since: 1932 2012
Ties: 1939, 1998
Feb 1933–Jul 1934
18-Month
54.3°F
(12.4°C)
52.7°F
(11.5°C)
1.6°F
(0.9°C)
105th Coolest Coolest since: 1933 1918
21st Warmest Warmest since: 1932 2012
Ties: 2005
Aug 1932–Jul 1934
24-Month
52.9°F
(11.6°C)
51.6°F
(10.9°C)
1.3°F
(0.7°C)
107th Coolest Coolest since: 1931 1905
18th Warmest Warmest since: 1933 2017
Ties: 1987, 1988, 1991, 2016
Aug 1931–Jul 1934
36-Month
53.6°F
(12.0°C)
51.6°F
(10.9°C)
2.0°F
(1.1°C)
119th Coolest Coolest since: 1933 1979
5th Warmest Warmest to Date 2018
Aug 1930–Jul 1934
48-Month
53.4°F
(11.9°C)
51.6°F
(10.9°C)
1.8°F
(1.0°C)
120th Coolest Coolest since: 1933 1905, 1980
3rd Warmest Warmest to Date 2019
Ties: 2002
Aug 1929–Jul 1934
60-Month
53.0°F
(11.7°C)
51.5°F
(10.8°C)
1.5°F
(0.9°C)
115th Coolest Coolest since: 1933 1906
7th Warmest Warmest to Date 2020
Ties: 2003, 2012

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 15, 2021 from https://www.ncdc.noaa.gov/cag/