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 1979

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
July 1979
1-Month
73.7°F
(23.2°C)
75.6°F
(24.2°C)
-1.9°F
(-1.0°C)
27th Coolest Coolest since: 1971 2009, 2014
99th Warmest Warmest since: 1978 1936
Ties: 1927
Jun–Jul 1979
2-Month
72.8°F
(22.7°C)
73.5°F
(23.1°C)
-0.7°F
(-0.4°C)
45th Coolest Coolest since: 1974 1915
81st Warmest Warmest since: 1978 1934
Ties: 1937, 1997
May–Jul 1979
3-Month
69.0°F
(20.6°C)
69.7°F
(20.9°C)
-0.7°F
(-0.3°C)
41st Coolest Coolest since: 1976 1924
85th Warmest Warmest since: 1978 1934
Ties: 1905, 1908, 1969, 1984, 2014
Apr–Jul 1979
4-Month
64.0°F
(17.8°C)
65.1°F
(18.4°C)
-1.1°F
(-0.6°C)
21st Coolest Coolest since: 1967 1907
105th Warmest Warmest since: 1978 1934
Ties: 1897, 1967, 1990
Mar–Jul 1979
5-Month
59.1°F
(15.1°C)
60.1°F
(15.6°C)
-1.0°F
(-0.5°C)
31st Coolest Coolest since: 1978 1960
95th Warmest Warmest since: 1977 2012
Ties: 1965, 1971
Feb–Jul 1979
6-Month
52.2°F
(11.2°C)
55.0°F
(12.8°C)
-2.8°F
(-1.6°C)
9th Coolest Coolest since: 1978 1947
117th Warmest Warmest since: 1977 2012
Ties: 2014
Jan–Jul 1979
7-Month
46.5°F
(8.1°C)
50.7°F
(10.4°C)
-4.2°F
(-2.3°C)
2nd Coolest Coolest since: 1912 1912
124th Warmest Warmest since: 1978 2012
Dec 1978–Jul 1979
8-Month
44.4°F
(6.9°C)
48.1°F
(8.9°C)
-3.7°F
(-2.0°C)
3rd Coolest Coolest since: 1978 1904
122nd Warmest Warmest since: 1977 2012
Nov 1978–Jul 1979
9-Month
44.2°F
(6.8°C)
47.2°F
(8.4°C)
-3.0°F
(-1.6°C)
4th Coolest Coolest since: 1978 1904
121st Warmest Warmest since: 1977 2012
Ties: 2014
Oct 1978–Jul 1979
10-Month
45.0°F
(7.2°C)
47.9°F
(8.8°C)
-2.9°F
(-1.6°C)
4th Coolest Coolest since: 1978 1904
121st Warmest Warmest since: 1977 2012
Sep 1978–Jul 1979
11-Month
47.3°F
(8.5°C)
49.6°F
(9.8°C)
-2.3°F
(-1.3°C)
5th Coolest Coolest since: 1978 1904
120th Warmest Warmest since: 1977 2012
Ties: 2014
Aug 1978–Jul 1979
12-Month
49.5°F
(9.7°C)
51.7°F
(10.9°C)
-2.2°F
(-1.2°C)
6th Coolest Coolest since: 1978 1904
119th Warmest Warmest since: 1977 2012
Ties: 1899
Feb 1978–Jul 1979
18-Month
50.3°F
(10.2°C)
52.8°F
(11.6°C)
-2.5°F
(-1.4°C)
3rd Coolest Coolest since: 1918 1918
122nd Warmest Warmest since: 1978 2012
Aug 1977–Jul 1979
24-Month
49.1°F
(9.5°C)
51.6°F
(10.9°C)
-2.5°F
(-1.4°C)
2nd Coolest Coolest since: 1905 1905
122nd Warmest Warmest since: 1978 2017
Aug 1976–Jul 1979
36-Month
49.4°F
(9.7°C)
51.6°F
(10.9°C)
-2.2°F
(-1.2°C)
1st Coolest Coolest to Date 1979
122nd Warmest Warmest since: 1978 2018
Aug 1975–Jul 1979
48-Month
50.3°F
(10.2°C)
51.6°F
(10.9°C)
-1.3°F
(-0.7°C)
6th Coolest Coolest since: 1918 1905, 1980
116th Warmest Warmest since: 1978 2019
Aug 1974–Jul 1979
60-Month
50.4°F
(10.2°C)
51.6°F
(10.9°C)
-1.2°F
(-0.7°C)
5th Coolest Coolest since: 1908 1906
116th Warmest Warmest since: 1978 2002
Ties: 1905, 1981

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/