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 1930

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
July 1930
1-Month
78.3°F
(25.7°C)
75.6°F
(24.2°C)
2.7°F
(1.5°C)
110th Coolest Coolest since: 1929 2009, 2014
16th Warmest Warmest since: 1921 1936
Ties: 1935
Jun–Jul 1930
2-Month
74.6°F
(23.7°C)
73.4°F
(23.0°C)
1.2°F
(0.7°C)
94th Coolest Coolest since: 1929 1915
32nd Warmest Warmest since: 1921 1934
Ties: 1980
May–Jul 1930
3-Month
70.8°F
(21.6°C)
69.7°F
(20.9°C)
1.1°F
(0.7°C)
93rd Coolest Coolest since: 1929 1924
33rd Warmest Warmest since: 1922 1934
Ties: 1980, 2016
Apr–Jul 1930
4-Month
66.8°F
(19.3°C)
65.2°F
(18.4°C)
1.6°F
(0.9°C)
101st Coolest Coolest since: 1929 1907
25th Warmest Warmest since: 1921 1934
Ties: 1998, 2017
Mar–Jul 1930
5-Month
61.2°F
(16.2°C)
60.1°F
(15.6°C)
1.1°F
(0.6°C)
91st Coolest Coolest since: 1929 1960
35th Warmest Warmest since: 1925 2012
Ties: 1941, 1954
Feb–Jul 1930
6-Month
57.4°F
(14.1°C)
54.9°F
(12.7°C)
2.5°F
(1.4°C)
113th Coolest Coolest since: 1929 1947
13th Warmest Warmest since: 1921 2012
Ties: 1946
Jan–Jul 1930
7-Month
51.9°F
(11.1°C)
50.7°F
(10.4°C)
1.2°F
(0.7°C)
88th Coolest Coolest since: 1929 1912
38th Warmest Warmest since: 1925 2012
Dec 1929–Jul 1930
8-Month
49.1°F
(9.5°C)
48.1°F
(8.9°C)
1.0°F
(0.6°C)
86th Coolest Coolest since: 1929 1904
39th Warmest Warmest since: 1922 2012
Ties: 1944
Nov 1929–Jul 1930
9-Month
47.6°F
(8.7°C)
47.3°F
(8.5°C)
0.3°F
(0.2°C)
72nd Coolest Coolest since: 1929 1904
53rd Warmest Warmest since: 1925 2012
Ties: 1908, 1935, 1973, 1985
Oct 1929–Jul 1930
10-Month
48.1°F
(8.9°C)
48.0°F
(8.9°C)
0.1°F
(0.0°C)
64th Coolest Coolest since: 1929 1904
61st Warmest Warmest since: 1925 2012
Ties: 1923, 1948
Sep 1929–Jul 1930
11-Month
49.7°F
(9.8°C)
49.7°F
(9.8°C)
0.0°F
(0.0°C)
61st Coolest Coolest since: 1929 1904
64th Warmest Warmest since: 1928 2012
Aug 1929–Jul 1930
12-Month
51.5°F
(10.8°C)
51.7°F
(10.9°C)
-0.2°F
(-0.1°C)
56th Coolest Coolest since: 1929 1904
69th Warmest Warmest since: 1925 2012
Ties: 1900, 1959
Feb 1929–Jul 1930
18-Month
52.3°F
(11.3°C)
52.7°F
(11.5°C)
-0.4°F
(-0.2°C)
45th Coolest Coolest since: 1929 1918
80th Warmest Warmest since: 1928 2012
Ties: 1940, 1952, 1977
Aug 1928–Jul 1930
24-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
35th Coolest Coolest since: 1929 1905
89th Warmest Warmest since: 1929 2017
Ties: 1907, 1929, 1937, 1983
Aug 1927–Jul 1930
36-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
36th Coolest Coolest since: 1929 1979
87th Warmest Warmest since: 1925 2018
Ties: 1903, 1914, 1951, 1967, 1972, 1977, 1996
Aug 1926–Jul 1930
48-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
35th Coolest Coolest since: 1929 1905, 1980
87th Warmest Warmest since: 1925 2019
Ties: 1917, 1965
Aug 1925–Jul 1930
60-Month
51.0°F
(10.6°C)
51.6°F
(10.9°C)
-0.6°F
(-0.3°C)
16th Coolest Coolest since: 1928 1906
105th Warmest Warmest since: 1929 2002
Ties: 1903, 1928, 1963, 1969, 1972, 1997

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 14, 2019 from https://www.ncdc.noaa.gov/cag/