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 2019

View Period (Months):All1234567891011121824364860
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  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
July 2019
1-Month
77.4°F
(25.2°C)
75.6°F
(24.2°C)
1.8°F
(1.0°C)
101st Coolest Coolest since: 2018 2009, 2014
26th Warmest Warmest since: 2012 1936
Jun–Jul 2019
2-Month
74.2°F
(23.4°C)
73.5°F
(23.1°C)
0.7°F
(0.3°C)
86th Coolest Coolest since: 2015 1915
41st Warmest Warmest since: 2018 1934
Ties: 1939, 1940, 1957, 2006
May–Jul 2019
3-Month
70.3°F
(21.3°C)
69.7°F
(20.9°C)
0.6°F
(0.4°C)
80th Coolest Coolest since: 2017 1924
47th Warmest Warmest since: 2018 1934
Ties: 1918, 2006, 2015
Apr–Jul 2019
4-Month
65.8°F
(18.8°C)
65.1°F
(18.4°C)
0.7°F
(0.4°C)
79th Coolest Coolest since: 2014 1907
48th Warmest Warmest since: 2018 1934
Ties: 1895, 1919, 1963, 1981
Mar–Jul 2019
5-Month
60.1°F
(15.6°C)
60.1°F
(15.6°C)
0.0°F
(0.0°C)
52nd Coolest Coolest since: 2014 1960
75th Warmest Warmest since: 2018 2012
Ties: 1895, 1945, 1956, 1962, 1970, 1990
Feb–Jul 2019
6-Month
55.0°F
(12.8°C)
55.0°F
(12.8°C)
0.0°F
(0.0°C)
65th Coolest Coolest since: 2015 1947
62nd Warmest Warmest since: 2018 2012
Ties: 1948, 1962
Jan–Jul 2019
7-Month
50.8°F
(10.4°C)
50.7°F
(10.4°C)
0.1°F
(0.0°C)
67th Coolest Coolest since: 2015 1912
60th Warmest Warmest since: 2018 2012
Ties: 1913, 1959
Dec 2018–Jul 2019
8-Month
48.7°F
(9.3°C)
48.0°F
(8.9°C)
0.7°F
(0.4°C)
76th Coolest Coolest since: 2015 1904
50th Warmest Warmest since: 2018 2012
Ties: 1908
Nov 2018–Jul 2019
9-Month
47.3°F
(8.5°C)
47.3°F
(8.5°C)
0.0°F
(0.0°C)
60th Coolest Coolest since: 2015 1904
66th Warmest Warmest since: 2018 2012
Ties: 1898, 1950, 1972, 1975
Oct 2018–Jul 2019
10-Month
48.0°F
(8.9°C)
48.0°F
(8.9°C)
0.0°F
(0.0°C)
58th Coolest Coolest since: 2015 1904
68th Warmest Warmest since: 2018 2012
Ties: 1908, 1973, 1975
Sep 2018–Jul 2019
11-Month
50.0°F
(10.0°C)
49.7°F
(9.8°C)
0.3°F
(0.2°C)
72nd Coolest Coolest since: 2015 1904
54th Warmest Warmest since: 2018 2012
Ties: 1923, 1935, 1952, 1990
Aug 2018–Jul 2019
12-Month
52.0°F
(11.1°C)
51.6°F
(10.9°C)
0.4°F
(0.2°C)
72nd Coolest Coolest since: 2015 1904
54th Warmest Warmest since: 2018 2012
Ties: 1923, 1935, 1937
Feb 2018–Jul 2019
18-Month
53.4°F
(11.9°C)
52.7°F
(11.5°C)
0.7°F
(0.4°C)
87th Coolest Coolest since: 2015 1918
39th Warmest Warmest since: 2018 2012
Ties: 1995, 2001, 2004
Aug 2017–Jul 2019
24-Month
52.3°F
(11.3°C)
51.7°F
(10.9°C)
0.6°F
(0.4°C)
90th Coolest Coolest since: 2015 1905
35th Warmest Warmest since: 2018 2017
Ties: 1943
Aug 2016–Jul 2019
36-Month
53.4°F
(11.9°C)
51.6°F
(10.9°C)
1.8°F
(1.0°C)
115th Coolest Coolest since: 2016 1979
9th Warmest Warmest since: 2018 2018
Ties: 1933
Aug 2015–Jul 2019
48-Month
53.8°F
(12.1°C)
51.6°F
(10.9°C)
2.2°F
(1.2°C)
122nd Coolest Coolest since: 2018 1905, 1980
1st Warmest Warmest to Date 2019
Aug 2014–Jul 2019
60-Month
53.2°F
(11.8°C)
51.6°F
(10.9°C)
1.6°F
(0.9°C)
119th Coolest Coolest since: 2018 1906
3rd Warmest Warmest since: 2008 2020
Ties: 1935, 2006, 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published April 2021, retrieved on April 21, 2021 from https://www.ncdc.noaa.gov/cag/