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


Illinois

Average Temperature Rankings, July 1902

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
July 1902
1-Month
75.2°F
(24.0°C)
75.6°F
(24.2°C)
-0.4°F
(-0.2°C)
58th Coolest Coolest since: 1900 2009, 2014
69th Warmest Warmest since: 1901 1936
Ties: 1903, 1907, 1948
Jun–Jul 1902
2-Month
71.9°F
(22.2°C)
73.5°F
(23.1°C)
-1.6°F
(-0.9°C)
28th Coolest Coolest to Date 1915
99th Warmest Warmest since: 1901 1934
May–Jul 1902
3-Month
70.0°F
(21.1°C)
69.7°F
(20.9°C)
0.3°F
(0.2°C)
70th Coolest Coolest since: 1900 1924
57th Warmest Warmest since: 1901 1934
Ties: 1983
Apr–Jul 1902
4-Month
64.8°F
(18.2°C)
65.1°F
(18.4°C)
-0.3°F
(-0.2°C)
50th Coolest Coolest since: 1898 1907
77th Warmest Warmest since: 1901 1934
Ties: 1916, 1974, 1976
Mar–Jul 1902
5-Month
60.2°F
(15.7°C)
60.1°F
(15.6°C)
0.1°F
(0.1°C)
59th Coolest Coolest since: 1900 1960
68th Warmest Warmest since: 1901 2012
Ties: 1898, 1903, 1913, 2009
Feb–Jul 1902
6-Month
53.4°F
(11.9°C)
55.0°F
(12.8°C)
-1.6°F
(-0.9°C)
21st Coolest Coolest since: 1900 1947
106th Warmest Warmest since: 1901 2012
Ties: 1905, 1920, 1951, 1982
Jan–Jul 1902
7-Month
49.4°F
(9.7°C)
50.7°F
(10.4°C)
-1.3°F
(-0.7°C)
21st Coolest Coolest since: 1899 1912
106th Warmest Warmest since: 1901 2012
Ties: 1970
Dec 1901–Jul 1902
8-Month
46.2°F
(7.9°C)
48.0°F
(8.9°C)
-1.8°F
(-1.0°C)
14th Coolest Coolest since: 1899 1904
112th Warmest Warmest since: 1901 2012
Ties: 1940
Nov 1901–Jul 1902
9-Month
45.2°F
(7.3°C)
47.3°F
(8.5°C)
-2.1°F
(-1.2°C)
12th Coolest Coolest since: 1899 1904
114th Warmest Warmest since: 1901 2012
Oct 1901–Jul 1902
10-Month
46.2°F
(7.9°C)
48.0°F
(8.9°C)
-1.8°F
(-1.0°C)
13th Coolest Coolest since: 1899 1904
113th Warmest Warmest since: 1901 2012
Ties: 1905, 1951
Sep 1901–Jul 1902
11-Month
48.0°F
(8.9°C)
49.7°F
(9.8°C)
-1.7°F
(-0.9°C)
14th Coolest Coolest since: 1899 1904
112th Warmest Warmest since: 1901 2012
Ties: 1905, 1926, 1958, 1977
Aug 1901–Jul 1902
12-Month
50.2°F
(10.1°C)
51.7°F
(10.9°C)
-1.5°F
(-0.8°C)
15th Coolest Coolest since: 1899 1904
111th Warmest Warmest since: 1901 2012
Ties: 1924, 1958, 1970
Feb 1901–Jul 1902
18-Month
51.5°F
(10.8°C)
52.7°F
(11.5°C)
-1.2°F
(-0.7°C)
13th Coolest Coolest since: 1899 1918
113th Warmest Warmest since: 1901 2012
Ties: 1968, 1970, 1980
Aug 1900–Jul 1902
24-Month
51.4°F
(10.8°C)
51.7°F
(10.9°C)
-0.3°F
(-0.1°C)
44th Coolest Coolest since: 1900 1905
81st Warmest Warmest since: 1901 2017
Ties: 1910, 1958, 1966, 1967, 1977
Aug 1899–Jul 1902
36-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
44th Coolest Coolest since: 1901 1979
80th Warmest Warmest since: 1898 2018
Ties: 1910, 1925, 1945, 1947, 1953, 1959, 1964, 1965, 1994, 1995
Aug 1898–Jul 1902
48-Month
50.9°F
(10.5°C)
51.6°F
(10.9°C)
-0.7°F
(-0.4°C)
17th Coolest Coolest to Date 1905, 1980
106th Warmest Warmest since: 1901 2019
Ties: 1908, 1927, 1929
Aug 1897–Jul 1902
60-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
29th Coolest Coolest to Date 1906
93rd Warmest Warmest since: 1901 2020
Ties: 1913, 1916, 1961, 1964

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2021, retrieved on May 11, 2021 from https://www.ncdc.noaa.gov/cag/