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 1900

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
July 1900
1-Month
74.6°F
(23.7°C)
75.6°F
(24.2°C)
-1.0°F
(-0.5°C)
45th Coolest Coolest since: 1899 2009, 2014
81st Warmest Warmest since: 1898 1936
Ties: 1917
Jun–Jul 1900
2-Month
72.4°F
(22.4°C)
73.4°F
(23.0°C)
-1.0°F
(-0.6°C)
37th Coolest Coolest to Date 1915
89th Warmest Warmest since: 1899 1934
Ties: 1910, 1918, 1962, 1965, 1969
May–Jul 1900
3-Month
69.6°F
(20.9°C)
69.7°F
(20.9°C)
-0.1°F
(0.0°C)
61st Coolest Coolest since: 1897 1924
65th Warmest Warmest since: 1899 1934
Ties: 1923, 1995
Apr–Jul 1900
4-Month
65.3°F
(18.5°C)
65.2°F
(18.4°C)
0.1°F
(0.1°C)
65th Coolest Coolest since: 1898 1907
61st Warmest Warmest since: 1899 1934
Ties: 1938
Mar–Jul 1900
5-Month
59.0°F
(15.0°C)
60.1°F
(15.6°C)
-1.1°F
(-0.6°C)
27th Coolest Coolest since: 1897 1960
99th Warmest Warmest since: 1899 2012
Ties: 1897, 1937, 1975
Feb–Jul 1900
6-Month
52.9°F
(11.6°C)
55.0°F
(12.8°C)
-2.1°F
(-1.2°C)
13th Coolest Coolest since: 1899 1947
113th Warmest Warmest since: 1898 2012
Ties: 1907
Jan–Jul 1900
7-Month
49.6°F
(9.8°C)
50.7°F
(10.4°C)
-1.1°F
(-0.6°C)
25th Coolest Coolest since: 1899 1912
101st Warmest Warmest since: 1898 2012
Ties: 1907, 1926, 1980
Dec 1899–Jul 1900
8-Month
46.8°F
(8.2°C)
48.0°F
(8.9°C)
-1.2°F
(-0.7°C)
26th Coolest Coolest since: 1899 1904
99th Warmest Warmest since: 1898 2012
Ties: 1910, 1961
Nov 1899–Jul 1900
9-Month
46.6°F
(8.1°C)
47.2°F
(8.4°C)
-0.6°F
(-0.3°C)
37th Coolest Coolest since: 1899 1904
88th Warmest Warmest since: 1898 2012
Ties: 1906, 1937, 1945, 1968
Oct 1899–Jul 1900
10-Month
47.8°F
(8.8°C)
48.0°F
(8.9°C)
-0.2°F
(-0.1°C)
51st Coolest Coolest since: 1899 1904
74th Warmest Warmest since: 1898 2012
Ties: 1916, 1943, 1967
Sep 1899–Jul 1900
11-Month
49.3°F
(9.6°C)
49.6°F
(9.8°C)
-0.3°F
(-0.2°C)
48th Coolest Coolest since: 1899 1904
77th Warmest Warmest since: 1898 2012
Ties: 1943, 2001
Aug 1899–Jul 1900
12-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
56th Coolest Coolest since: 1899 1904
69th Warmest Warmest since: 1898 2012
Ties: 1930, 1959
Feb 1899–Jul 1900
18-Month
51.8°F
(11.0°C)
52.7°F
(11.5°C)
-0.9°F
(-0.5°C)
19th Coolest Coolest since: 1899 1918
106th Warmest Warmest since: 1898 2012
Ties: 1907, 1982, 1994
Aug 1898–Jul 1900
24-Month
50.5°F
(10.3°C)
51.6°F
(10.9°C)
-1.1°F
(-0.6°C)
9th Coolest Coolest to Date 1905
115th Warmest Warmest since: 1899 2017
Ties: 1906, 1951, 1997
Aug 1897–Jul 1900
36-Month
51.1°F
(10.6°C)
51.6°F
(10.9°C)
-0.5°F
(-0.3°C)
27th Coolest Coolest since: 1899 1979
96th Warmest Warmest since: 1898 2018
Ties: 1927, 1961, 1982, 1984
Aug 1896–Jul 1900
48-Month
51.0°F
(10.6°C)
51.6°F
(10.9°C)
-0.6°F
(-0.3°C)
21st Coolest Coolest to Date 1905, 1980
101st Warmest Warmest since: 1899 2019
Ties: 1912, 1913, 1969
Aug 1895–Jul 1900
60-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
34th Coolest Coolest to Date 1906
87th Warmest Warmest to Date 2002
Ties: 1901, 1910, 1960, 1965, 1968, 1973

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/