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 May 2021. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, July 1898

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
July 1898
1-Month
75.0°F
(23.9°C)
75.6°F
(24.2°C)
-0.6°F
(-0.3°C)
51st Coolest Coolest since: 1896 2009, 2014
76th Warmest Warmest since: 1897 1936
Ties: 1937, 1970, 2018
Jun–Jul 1898
2-Month
73.9°F
(23.3°C)
73.4°F
(23.0°C)
0.5°F
(0.3°C)
79th Coolest Coolest since: 1897 1915
48th Warmest Warmest to Date 1934
Ties: 1984
May–Jul 1898
3-Month
69.9°F
(21.1°C)
69.7°F
(20.9°C)
0.2°F
(0.2°C)
68th Coolest Coolest since: 1897 1924
59th Warmest Warmest since: 1896 1934
Ties: 1982
Apr–Jul 1898
4-Month
64.6°F
(18.1°C)
65.1°F
(18.4°C)
-0.5°F
(-0.3°C)
41st Coolest Coolest since: 1897 1907
86th Warmest Warmest since: 1896 1934
Ties: 1905, 1908, 1968, 1971
Mar–Jul 1898
5-Month
60.2°F
(15.7°C)
60.1°F
(15.6°C)
0.1°F
(0.1°C)
59th Coolest Coolest since: 1897 1960
68th Warmest Warmest since: 1896 2012
Ties: 1902, 1903, 1913, 2009
Feb–Jul 1898
6-Month
55.1°F
(12.8°C)
54.9°F
(12.7°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 1897 1947
61st Warmest Warmest since: 1896 2012
Jan–Jul 1898
7-Month
51.5°F
(10.8°C)
50.7°F
(10.4°C)
0.8°F
(0.4°C)
81st Coolest Coolest since: 1897 1912
46th Warmest Warmest since: 1896 2012
Ties: 1942, 1981, 2018
Dec 1897–Jul 1898
8-Month
48.3°F
(9.1°C)
48.1°F
(8.9°C)
0.2°F
(0.2°C)
70th Coolest Coolest since: 1897 1904
56th Warmest Warmest since: 1896 2012
Ties: 2011
Nov 1897–Jul 1898
9-Month
47.3°F
(8.5°C)
47.2°F
(8.4°C)
0.1°F
(0.1°C)
60th Coolest Coolest since: 1897 1904
66th Warmest Warmest since: 1896 2012
Ties: 1950, 1972, 1975, 2019
Oct 1897–Jul 1898
10-Month
48.5°F
(9.2°C)
48.0°F
(8.9°C)
0.5°F
(0.3°C)
75th Coolest Coolest since: 1897 1904
51st Warmest Warmest to Date 2012
Sep 1897–Jul 1898
11-Month
50.6°F
(10.3°C)
49.6°F
(9.8°C)
1.0°F
(0.5°C)
88th Coolest Coolest since: 1897 1904
38th Warmest Warmest to Date 2012
Ties: 1972
Aug 1897–Jul 1898
12-Month
52.4°F
(11.3°C)
51.7°F
(10.9°C)
0.7°F
(0.4°C)
84th Coolest Coolest since: 1897 1904
42nd Warmest Warmest to Date 2012
Ties: 1933, 1946, 1948, 1972, 1981
Feb 1897–Jul 1898
18-Month
53.0°F
(11.7°C)
52.7°F
(11.5°C)
0.3°F
(0.2°C)
76th Coolest Coolest since: 1897 1918
50th Warmest Warmest to Date 2012
Ties: 1941, 1947, 1950, 2003
Aug 1896–Jul 1898
24-Month
51.6°F
(10.9°C)
51.7°F
(10.9°C)
-0.1°F
(0.0°C)
57th Coolest Coolest since: 1897 1905
68th Warmest Warmest to Date 2017
Ties: 1909, 1920, 1948
Aug 1895–Jul 1898
36-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
72nd Coolest Coolest to Date 1979
52nd Warmest Warmest to Date 2018
Ties: 1931, 1946, 1948, 1966, 1973, 1975

Citing This Page

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