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 2015

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
July 2015
1-Month
74.2°F
(23.4°C)
75.6°F
(24.2°C)
-1.4°F
(-0.8°C)
35th Coolest Coolest since: 2014 2009, 2014
91st Warmest Warmest since: 2012 1936
Ties: 1922, 1968, 1990
Jun–Jul 2015
2-Month
72.9°F
(22.7°C)
73.4°F
(23.0°C)
-0.5°F
(-0.3°C)
48th Coolest Coolest since: 2014 1915
78th Warmest Warmest since: 2012 1934
Ties: 1896, 1935, 2001
May–Jul 2015
3-Month
70.3°F
(21.3°C)
69.7°F
(20.9°C)
0.6°F
(0.4°C)
80th Coolest Coolest since: 2014 1924
46th Warmest Warmest since: 2012 1934
Ties: 1918, 2006, 2019
Apr–Jul 2015
4-Month
66.3°F
(19.1°C)
65.2°F
(18.4°C)
1.1°F
(0.7°C)
90th Coolest Coolest since: 2014 1907
36th Warmest Warmest since: 2012 1934
Ties: 1925
Mar–Jul 2015
5-Month
60.7°F
(15.9°C)
60.1°F
(15.6°C)
0.6°F
(0.3°C)
77th Coolest Coolest since: 2014 1960
49th Warmest Warmest since: 2012 2012
Ties: 1901, 1918
Feb–Jul 2015
6-Month
53.8°F
(12.1°C)
54.9°F
(12.7°C)
-1.1°F
(-0.6°C)
28th Coolest Coolest since: 2014 1947
98th Warmest Warmest since: 2013 2012
Ties: 1937, 1940, 2008, 2013
Jan–Jul 2015
7-Month
49.8°F
(9.9°C)
50.7°F
(10.4°C)
-0.9°F
(-0.5°C)
35th Coolest Coolest since: 2014 1912
91st Warmest Warmest since: 2013 2012
Ties: 1897, 1906, 1915, 1937, 1950, 1961, 1997
Dec 2014–Jul 2015
8-Month
47.8°F
(8.8°C)
48.1°F
(8.9°C)
-0.3°F
(-0.1°C)
51st Coolest Coolest since: 2014 1904
74th Warmest Warmest since: 2013 2012
Ties: 1897, 1937, 1968, 1977
Nov 2014–Jul 2015
9-Month
46.3°F
(7.9°C)
47.2°F
(8.4°C)
-0.9°F
(-0.5°C)
28th Coolest Coolest since: 2014 1904
97th Warmest Warmest since: 2013 2012
Ties: 1907, 1961, 1969
Oct 2014–Jul 2015
10-Month
47.1°F
(8.4°C)
48.0°F
(8.9°C)
-0.9°F
(-0.5°C)
27th Coolest Coolest since: 2014 1904
98th Warmest Warmest since: 2013 2012
Ties: 1915, 1969
Sep 2014–Jul 2015
11-Month
48.7°F
(9.3°C)
49.6°F
(9.8°C)
-0.9°F
(-0.5°C)
27th Coolest Coolest since: 2014 1904
98th Warmest Warmest since: 2013 2012
Ties: 1968
Aug 2014–Jul 2015
12-Month
50.8°F
(10.4°C)
51.6°F
(10.9°C)
-0.8°F
(-0.5°C)
29th Coolest Coolest since: 2014 1904
96th Warmest Warmest since: 2013 2012
Ties: 1940
Feb 2014–Jul 2015
18-Month
51.3°F
(10.7°C)
52.7°F
(11.5°C)
-1.4°F
(-0.8°C)
9th Coolest Coolest since: 2014 1918
116th Warmest Warmest since: 2013 2012
Ties: 1961
Aug 2013–Jul 2015
24-Month
50.1°F
(10.1°C)
51.6°F
(10.9°C)
-1.5°F
(-0.8°C)
6th Coolest Coolest since: 1979 1905
118th Warmest Warmest since: 2014 2017
Aug 2012–Jul 2015
36-Month
50.7°F
(10.4°C)
51.6°F
(10.9°C)
-0.9°F
(-0.5°C)
9th Coolest Coolest since: 1980 1979
114th Warmest Warmest since: 2014 2018
Ties: 1907, 1912, 1917, 1919, 1920, 1960
Aug 2011–Jul 2015
48-Month
52.1°F
(11.2°C)
51.6°F
(10.9°C)
0.5°F
(0.3°C)
81st Coolest Coolest since: 1998 1905, 1980
41st Warmest Warmest since: 2014 2019
Ties: 1936, 1939, 1949, 1976
Aug 2010–Jul 2015
60-Month
52.2°F
(11.2°C)
51.6°F
(10.9°C)
0.6°F
(0.3°C)
82nd Coolest Coolest since: 1998 1906
39th Warmest Warmest since: 2014 2002
Ties: 1955, 1976, 1988, 1993, 1995

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 23, 2019 from https://www.ncdc.noaa.gov/cag/