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 December 2020. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, August 1947

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
August 1947
1-Month
80.8°F
(27.1°C)
73.4°F
(23.0°C)
7.4°F
(4.1°C)
126th Coolest Coolest since: 1946 1915
1st Warmest Warmest to Date 1947
Jul–Aug 1947
2-Month
76.6°F
(24.8°C)
74.5°F
(23.6°C)
2.1°F
(1.2°C)
110th Coolest Coolest since: 1946 1915
17th Warmest Warmest since: 1936 1936
Ties: 2002
Jun–Aug 1947
3-Month
74.0°F
(23.3°C)
73.5°F
(23.1°C)
0.5°F
(0.2°C)
77th Coolest Coolest since: 1946 1915
50th Warmest Warmest since: 1944 1936
Ties: 1993, 1998
May–Aug 1947
4-Month
70.1°F
(21.2°C)
70.6°F
(21.4°C)
-0.5°F
(-0.2°C)
47th Coolest Coolest since: 1946 1915
80th Warmest Warmest since: 1944 1934, 1936
Apr–Aug 1947
5-Month
66.3°F
(19.1°C)
66.8°F
(19.3°C)
-0.5°F
(-0.2°C)
41st Coolest Coolest since: 1946 1907
86th Warmest Warmest since: 1944 1934
Ties: 1898, 1908, 1912, 1984, 2013
Mar–Aug 1947
6-Month
60.8°F
(16.0°C)
62.4°F
(16.9°C)
-1.6°F
(-0.9°C)
16th Coolest Coolest since: 1927 1904, 1950, 1960
111th Warmest Warmest since: 1946 2012
Ties: 1984, 1997
Feb–Aug 1947
7-Month
55.4°F
(13.0°C)
57.6°F
(14.2°C)
-2.2°F
(-1.2°C)
11th Coolest Coolest since: 1924 1904
116th Warmest Warmest since: 1946 2012
Jan–Aug 1947
8-Month
52.2°F
(11.2°C)
53.5°F
(11.9°C)
-1.3°F
(-0.7°C)
21st Coolest Coolest since: 1940 1904, 1912
106th Warmest Warmest since: 1946 2012
Ties: 1971
Dec 1946–Aug 1947
9-Month
50.3°F
(10.2°C)
50.9°F
(10.5°C)
-0.6°F
(-0.3°C)
42nd Coolest Coolest since: 1945 1904
84th Warmest Warmest since: 1946 2012
Ties: 1927
Nov 1946–Aug 1947
10-Month
49.6°F
(9.8°C)
49.9°F
(9.9°C)
-0.3°F
(-0.1°C)
50th Coolest Coolest since: 1945 1904
76th Warmest Warmest since: 1946 2012
Ties: 1928
Oct 1946–Aug 1947
11-Month
50.4°F
(10.2°C)
50.3°F
(10.2°C)
0.1°F
(0.0°C)
57th Coolest Coolest since: 1945 1904
69th Warmest Warmest since: 1946 2012
Ties: 1916, 1923, 1943, 1948, 1973, 1975, 2008
Sep 1946–Aug 1947
12-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
54th Coolest Coolest since: 1945 1904
72nd Warmest Warmest since: 1946 2012
Ties: 1966, 1980
Mar 1946–Aug 1947
18-Month
55.6°F
(13.1°C)
55.2°F
(12.9°C)
0.4°F
(0.2°C)
78th Coolest Coolest since: 1946 1904
48th Warmest Warmest since: 1942 2012
Ties: 1896, 1938, 1941, 1976
Sep 1945–Aug 1947
24-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
70th Coolest Coolest since: 1946 1905
55th Warmest Warmest since: 1943 2017
Ties: 1941, 1965, 1972, 1981
Sep 1944–Aug 1947
36-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
57th Coolest Coolest since: 1946 1979
67th Warmest Warmest since: 1946 2018
Ties: 1937, 1946
Sep 1943–Aug 1947
48-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
52nd Coolest Coolest since: 1946 1905
71st Warmest Warmest since: 1946 2019
Ties: 1911, 1914, 1946, 1977, 1983
Sep 1942–Aug 1947
60-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
55th Coolest Coolest since: 1931 1906
67th Warmest Warmest since: 1946 2020
Ties: 1931, 1974, 1977, 1998

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 26, 2021 from https://www.ncdc.noaa.gov/cag/