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


Illinois

Average Temperature Rankings, July 1929

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
July 1929
1-Month
75.4°F
(24.1°C)
75.6°F
(24.2°C)
-0.2°F
(-0.1°C)
66th Coolest Coolest since: 1927 2009, 2014
61st Warmest Warmest since: 1928 1936
Ties: 1998
Jun–Jul 1929
2-Month
72.0°F
(22.2°C)
73.5°F
(23.1°C)
-1.5°F
(-0.9°C)
29th Coolest Coolest since: 1928 1915
98th Warmest Warmest since: 1925 1934
Ties: 1909, 1996
May–Jul 1929
3-Month
67.7°F
(19.8°C)
69.7°F
(20.9°C)
-2.0°F
(-1.1°C)
15th Coolest Coolest since: 1927 1924
112th Warmest Warmest since: 1928 1934
Ties: 1992
Apr–Jul 1929
4-Month
64.2°F
(17.9°C)
65.1°F
(18.4°C)
-0.9°F
(-0.5°C)
26th Coolest Coolest since: 1928 1907
101st Warmest Warmest since: 1925 1934
Ties: 1903, 1940, 1960, 1982, 1983, 1984, 1989
Mar–Jul 1929
5-Month
60.5°F
(15.8°C)
60.1°F
(15.6°C)
0.4°F
(0.2°C)
74th Coolest Coolest since: 1928 1960
53rd Warmest Warmest since: 1925 2012
Ties: 1905, 1974, 1994, 2002
Feb–Jul 1929
6-Month
54.0°F
(12.2°C)
54.9°F
(12.7°C)
-0.9°F
(-0.5°C)
36th Coolest Coolest since: 1928 1947
91st Warmest Warmest since: 1927 2012
Ties: 1909, 1965, 1972, 1975
Jan–Jul 1929
7-Month
49.2°F
(9.6°C)
50.7°F
(10.4°C)
-1.5°F
(-0.8°C)
19th Coolest Coolest since: 1924 1912
108th Warmest Warmest since: 1928 2012
Dec 1928–Jul 1929
8-Month
47.1°F
(8.4°C)
48.1°F
(8.9°C)
-1.0°F
(-0.5°C)
29th Coolest Coolest since: 1926 1904
97th Warmest Warmest since: 1928 2012
Ties: 1945, 1962, 1969
Nov 1928–Jul 1929
9-Month
46.4°F
(8.0°C)
47.2°F
(8.4°C)
-0.8°F
(-0.4°C)
32nd Coolest Coolest since: 1926 1904
94th Warmest Warmest since: 1928 2012
Ties: 1962
Oct 1928–Jul 1929
10-Month
47.5°F
(8.6°C)
48.0°F
(8.9°C)
-0.5°F
(-0.3°C)
43rd Coolest Coolest since: 1927 1904
83rd Warmest Warmest since: 1928 2012
Ties: 1965
Sep 1928–Jul 1929
11-Month
48.8°F
(9.3°C)
49.7°F
(9.8°C)
-0.9°F
(-0.5°C)
29th Coolest Coolest since: 1926 1904
97th Warmest Warmest since: 1928 2012
Ties: 1910, 1915, 1940, 1969
Aug 1928–Jul 1929
12-Month
50.9°F
(10.5°C)
51.6°F
(10.9°C)
-0.7°F
(-0.4°C)
31st Coolest Coolest since: 1926 1904
95th Warmest Warmest since: 1928 2012
Ties: 1969, 1984
Feb 1928–Jul 1929
18-Month
51.9°F
(11.1°C)
52.7°F
(11.5°C)
-0.8°F
(-0.4°C)
23rd Coolest Coolest since: 1927 1918
103rd Warmest Warmest since: 1928 2012
Ties: 1903, 1906, 1908, 1913, 1927, 1978
Aug 1927–Jul 1929
24-Month
51.2°F
(10.7°C)
51.7°F
(10.9°C)
-0.5°F
(-0.2°C)
35th Coolest Coolest since: 1927 1905
90th Warmest Warmest since: 1928 2017
Ties: 1907, 1930, 1937, 1983
Aug 1926–Jul 1929
36-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
32nd Coolest Coolest since: 1928 1979
92nd Warmest Warmest since: 1925 2018
Ties: 1901, 1908, 1997
Aug 1925–Jul 1929
48-Month
50.9°F
(10.5°C)
51.6°F
(10.9°C)
-0.7°F
(-0.4°C)
17th Coolest Coolest since: 1927 1905, 1980
106th Warmest Warmest since: 1928 2019
Ties: 1902, 1908, 1927
Aug 1924–Jul 1929
60-Month
51.1°F
(10.6°C)
51.5°F
(10.8°C)
-0.4°F
(-0.2°C)
23rd Coolest Coolest since: 1928 1906
99th Warmest Warmest since: 1927 2020
Ties: 1909, 1912, 1927, 1978, 1983

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published April 2021, retrieved on April 22, 2021 from https://www.ncdc.noaa.gov/cag/