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


Illinois

Average Temperature Rankings, July 2020

View Period (Months):All1234567891011121824364860
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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
July 2020
1-Month
77.3°F
(25.2°C)
75.6°F
(24.2°C)
1.7°F
(1.0°C)
100th Coolest Coolest since: 2018 2009, 2014
27th Warmest Warmest since: 2019 1936
Ties: 1952, 1987
Jun–Jul 2020
2-Month
75.5°F
(24.2°C)
73.5°F
(23.1°C)
2.0°F
(1.1°C)
103rd Coolest Coolest since: 2019 1915
24th Warmest Warmest since: 2012 1934
Ties: 1943
May–Jul 2020
3-Month
70.5°F
(21.4°C)
69.7°F
(20.9°C)
0.8°F
(0.5°C)
86th Coolest Coolest since: 2019 1924
41st Warmest Warmest since: 2018 1934
Ties: 1943, 1975
Apr–Jul 2020
4-Month
65.3°F
(18.5°C)
65.1°F
(18.4°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 2014 1907
61st Warmest Warmest since: 2019 1934
Ties: 1900, 1938
Mar–Jul 2020
5-Month
61.1°F
(16.2°C)
60.1°F
(15.6°C)
1.0°F
(0.6°C)
89th Coolest Coolest since: 2019 1960
38th Warmest Warmest since: 2017 2012
Ties: 1953, 1959
Feb–Jul 2020
6-Month
56.2°F
(13.4°C)
54.9°F
(12.7°C)
1.3°F
(0.7°C)
97th Coolest Coolest since: 2019 1947
30th Warmest Warmest since: 2017 2012
Ties: 2002
Jan–Jul 2020
7-Month
52.8°F
(11.6°C)
50.7°F
(10.4°C)
2.1°F
(1.2°C)
105th Coolest Coolest since: 2019 1912
22nd Warmest Warmest since: 2017 2012
Ties: 1952
Dec 2019–Jul 2020
8-Month
50.6°F
(10.3°C)
48.0°F
(8.9°C)
2.6°F
(1.4°C)
116th Coolest Coolest since: 2019 1904
10th Warmest Warmest since: 2017 2012
Ties: 1934, 1954, 1999, 2006
Nov 2019–Jul 2020
9-Month
49.0°F
(9.4°C)
47.2°F
(8.4°C)
1.8°F
(1.0°C)
104th Coolest Coolest since: 2019 1904
22nd Warmest Warmest since: 2017 2012
Ties: 1949, 1983, 2004
Oct 2019–Jul 2020
10-Month
49.5°F
(9.7°C)
48.0°F
(8.9°C)
1.5°F
(0.8°C)
103rd Coolest Coolest since: 2019 1904
23rd Warmest Warmest since: 2017 2012
Ties: 2007
Sep 2019–Jul 2020
11-Month
51.5°F
(10.8°C)
49.7°F
(9.8°C)
1.8°F
(1.0°C)
110th Coolest Coolest since: 2019 1904
16th Warmest Warmest since: 2017 2012
Aug 2019–Jul 2020
12-Month
53.3°F
(11.8°C)
51.7°F
(10.9°C)
1.6°F
(0.9°C)
108th Coolest Coolest since: 2019 1904
18th Warmest Warmest since: 2017 2012
Feb 2019–Jul 2020
18-Month
53.8°F
(12.1°C)
52.7°F
(11.5°C)
1.1°F
(0.6°C)
97th Coolest Coolest since: 2019 1918
29th Warmest Warmest since: 2018 2012
Ties: 1974
Aug 2018–Jul 2020
24-Month
52.7°F
(11.5°C)
51.7°F
(10.9°C)
1.0°F
(0.6°C)
101st Coolest Coolest since: 2019 1905
24th Warmest Warmest since: 2018 2017
Ties: 1935, 1949, 2003
Aug 2017–Jul 2020
36-Month
52.6°F
(11.4°C)
51.6°F
(10.9°C)
1.0°F
(0.5°C)
100th Coolest Coolest since: 2016 1979
24th Warmest Warmest since: 2019 2018
Ties: 1935, 1939, 1987, 1989, 1991
Aug 2016–Jul 2020
48-Month
53.3°F
(11.8°C)
51.6°F
(10.9°C)
1.7°F
(0.9°C)
118th Coolest Coolest since: 2017 1905, 1980
5th Warmest Warmest since: 2019 2019
Ties: 2007, 2013
Aug 2015–Jul 2020
60-Month
53.7°F
(12.1°C)
51.6°F
(10.9°C)
2.1°F
(1.2°C)
121st Coolest Coolest since: 2019 1906
1st Warmest Warmest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published April 2021, retrieved on April 19, 2021 from https://www.ncdc.noaa.gov/cag/