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


Illinois

Average Temperature Rankings, August 1911

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
August 1911
1-Month
72.5°F
(22.5°C)
73.4°F
(23.0°C)
-0.9°F
(-0.5°C)
41st Coolest Coolest since: 1910 1915
86th Warmest Warmest since: 1909 1947
Jul–Aug 1911
2-Month
74.2°F
(23.4°C)
74.5°F
(23.6°C)
-0.3°F
(-0.2°C)
58th Coolest Coolest since: 1910 1915
69th Warmest Warmest since: 1909 1936
Ties: 1970, 1974, 1989
Jun–Aug 1911
3-Month
74.5°F
(23.6°C)
73.4°F
(23.0°C)
1.1°F
(0.6°C)
90th Coolest Coolest since: 1910 1915
37th Warmest Warmest since: 1901 1936
May–Aug 1911
4-Month
72.8°F
(22.7°C)
70.6°F
(21.4°C)
2.2°F
(1.3°C)
114th Coolest Coolest since: 1910 1915
13th Warmest Warmest to Date 1934, 1936
Ties: 1913
Apr–Aug 1911
5-Month
68.0°F
(20.0°C)
66.8°F
(19.3°C)
1.2°F
(0.7°C)
96th Coolest Coolest since: 1910 1907
31st Warmest Warmest since: 1900 1934
Ties: 1900, 1980, 1986, 2018
Mar–Aug 1911
6-Month
63.5°F
(17.5°C)
62.3°F
(16.8°C)
1.2°F
(0.7°C)
102nd Coolest Coolest since: 1910 1904, 1950, 1960
25th Warmest Warmest since: 1896 2012
Ties: 1922, 1930, 1933, 1941, 1995, 2000, 2017
Feb–Aug 1911
7-Month
59.2°F
(15.1°C)
57.6°F
(14.2°C)
1.6°F
(0.9°C)
108th Coolest Coolest since: 1910 1904
19th Warmest Warmest to Date 2012
Ties: 1946, 1953, 2011
Jan–Aug 1911
8-Month
55.4°F
(13.0°C)
53.6°F
(12.0°C)
1.8°F
(1.0°C)
109th Coolest Coolest since: 1910 1904, 1912
18th Warmest Warmest to Date 2012
Ties: 1932, 2010
Dec 1910–Aug 1911
9-Month
52.0°F
(11.1°C)
50.8°F
(10.4°C)
1.2°F
(0.7°C)
91st Coolest Coolest since: 1910 1904
35th Warmest Warmest since: 1896 2012
Ties: 1930, 1939, 1976
Nov 1910–Aug 1911
10-Month
50.4°F
(10.2°C)
49.9°F
(9.9°C)
0.5°F
(0.3°C)
82nd Coolest Coolest since: 1910 1904
44th Warmest Warmest since: 1896 2012
Ties: 1930, 1944, 1952, 1990, 1992
Oct 1910–Aug 1911
11-Month
51.0°F
(10.6°C)
50.3°F
(10.2°C)
0.7°F
(0.4°C)
84th Coolest Coolest since: 1910 1904
42nd Warmest Warmest to Date 2012
Ties: 2011
Sep 1910–Aug 1911
12-Month
52.2°F
(11.2°C)
51.6°F
(10.9°C)
0.6°F
(0.3°C)
82nd Coolest Coolest since: 1910 1904
44th Warmest Warmest since: 1901 2012
Ties: 1896, 1901, 1992
Mar 1910–Aug 1911
18-Month
55.7°F
(13.2°C)
55.1°F
(12.8°C)
0.6°F
(0.4°C)
82nd Coolest Coolest since: 1910 1904
44th Warmest Warmest to Date 2012
Ties: 1989, 2004, 2019
Sep 1909–Aug 1911
24-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
52nd Coolest Coolest since: 1910 1905
73rd Warmest Warmest since: 1909 2017
Ties: 1898, 1936, 1964, 1983
Sep 1908–Aug 1911
36-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
67th Coolest Coolest since: 1910 1979
57th Warmest Warmest since: 1898 2018
Ties: 1898, 1916, 1924, 1931, 1938, 1983, 1995
Sep 1907–Aug 1911
48-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
52nd Coolest Coolest since: 1910 1905
71st Warmest Warmest to Date 2019
Ties: 1914, 1946, 1947, 1977, 1983
Sep 1906–Aug 1911
60-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
50th Coolest Coolest since: 1910 1906
72nd Warmest Warmest to Date 2020
Ties: 1926, 1952, 1985, 1986

Citing This Page

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