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 1978

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
July 1978
1-Month
75.1°F
(23.9°C)
75.6°F
(24.2°C)
-0.5°F
(-0.3°C)
55th Coolest Coolest since: 1975 2009, 2014
71st Warmest Warmest since: 1977 1936
Ties: 1925, 1997
Jun–Jul 1978
2-Month
73.6°F
(23.1°C)
73.5°F
(23.1°C)
0.1°F
(0.0°C)
67th Coolest Coolest since: 1976 1915
59th Warmest Warmest since: 1977 1934
Ties: 1899, 1956, 1993, 1998
May–Jul 1978
3-Month
69.3°F
(20.7°C)
69.7°F
(20.9°C)
-0.4°F
(-0.2°C)
52nd Coolest Coolest since: 1976 1924
74th Warmest Warmest since: 1977 1934
Ties: 1938, 1985
Apr–Jul 1978
4-Month
65.2°F
(18.4°C)
65.2°F
(18.4°C)
0.0°F
(0.0°C)
60th Coolest Coolest since: 1976 1907
66th Warmest Warmest since: 1977 1934
Ties: 1906, 1946, 1956
Mar–Jul 1978
5-Month
58.8°F
(14.9°C)
60.0°F
(15.6°C)
-1.2°F
(-0.7°C)
22nd Coolest Coolest since: 1961 1960
104th Warmest Warmest since: 1977 2012
Ties: 1997, 2014
Feb–Jul 1978
6-Month
51.8°F
(11.0°C)
54.9°F
(12.7°C)
-3.1°F
(-1.7°C)
4th Coolest Coolest since: 1960 1947
122nd Warmest Warmest since: 1977 2012
Ties: 1917
Jan–Jul 1978
7-Month
46.7°F
(8.2°C)
50.7°F
(10.4°C)
-4.0°F
(-2.2°C)
3rd Coolest Coolest since: 1912 1912
123rd Warmest Warmest since: 1977 2012
Dec 1977–Jul 1978
8-Month
44.1°F
(6.7°C)
48.1°F
(8.9°C)
-4.0°F
(-2.2°C)
2nd Coolest Coolest since: 1904 1904
123rd Warmest Warmest since: 1977 2012
Nov 1977–Jul 1978
9-Month
43.8°F
(6.6°C)
47.2°F
(8.4°C)
-3.4°F
(-1.8°C)
3rd Coolest Coolest since: 1912 1904
122nd Warmest Warmest since: 1977 2012
Oct 1977–Jul 1978
10-Month
44.7°F
(7.1°C)
48.0°F
(8.9°C)
-3.3°F
(-1.8°C)
3rd Coolest Coolest since: 1912 1904
122nd Warmest Warmest since: 1977 2012
Sep 1977–Jul 1978
11-Month
46.7°F
(8.2°C)
49.6°F
(9.8°C)
-2.9°F
(-1.6°C)
2nd Coolest Coolest since: 1904 1904
123rd Warmest Warmest since: 1977 2012
Aug 1977–Jul 1978
12-Month
48.8°F
(9.3°C)
51.6°F
(10.9°C)
-2.8°F
(-1.6°C)
2nd Coolest Coolest since: 1904 1904
123rd Warmest Warmest since: 1977 2012
Feb 1977–Jul 1978
18-Month
51.9°F
(11.1°C)
52.7°F
(11.5°C)
-0.8°F
(-0.4°C)
23rd Coolest Coolest since: 1970 1918
102nd Warmest Warmest since: 1977 2012
Ties: 1903, 1906, 1908, 1913, 1927, 1929
Aug 1976–Jul 1978
24-Month
49.4°F
(9.7°C)
51.7°F
(10.9°C)
-2.3°F
(-1.2°C)
3rd Coolest Coolest since: 1918 1905
121st Warmest Warmest since: 1977 2017
Ties: 1918
Aug 1975–Jul 1978
36-Month
50.6°F
(10.3°C)
51.6°F
(10.9°C)
-1.0°F
(-0.6°C)
8th Coolest Coolest since: 1970 1979
115th Warmest Warmest since: 1977 2018
Aug 1974–Jul 1978
48-Month
50.7°F
(10.4°C)
51.6°F
(10.9°C)
-0.9°F
(-0.5°C)
11th Coolest Coolest since: 1971 1905, 1980
111th Warmest Warmest since: 1977 2019
Ties: 1971, 1982
Aug 1973–Jul 1978
60-Month
51.1°F
(10.6°C)
51.6°F
(10.9°C)
-0.5°F
(-0.3°C)
23rd Coolest Coolest since: 1972 1906
98th Warmest Warmest since: 1977 2002
Ties: 1909, 1912, 1927, 1929, 1983

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 19, 2019 from https://www.ncdc.noaa.gov/cag/