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


Illinois

Average Temperature Rankings, August 1900

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
August 1900
1-Month
78.8°F
(26.0°C)
73.4°F
(23.0°C)
5.4°F
(3.0°C)
123rd Coolest Coolest since: 1899 1915
4th Warmest Warmest to Date 1947
Ties: 1995
Jul–Aug 1900
2-Month
76.7°F
(24.8°C)
74.5°F
(23.6°C)
2.2°F
(1.2°C)
111th Coolest Coolest since: 1899 1915
16th Warmest Warmest to Date 1936
Jun–Aug 1900
3-Month
74.6°F
(23.7°C)
73.5°F
(23.1°C)
1.1°F
(0.6°C)
93rd Coolest Coolest since: 1899 1915
34th Warmest Warmest to Date 1936
Ties: 1932, 2020
May–Aug 1900
4-Month
71.9°F
(22.2°C)
70.6°F
(21.4°C)
1.3°F
(0.8°C)
95th Coolest Coolest since: 1899 1915
32nd Warmest Warmest since: 1896 1934, 1936
Ties: 1943, 1964, 1995, 2005
Apr–Aug 1900
5-Month
68.0°F
(20.0°C)
66.8°F
(19.3°C)
1.2°F
(0.7°C)
96th Coolest Coolest since: 1899 1907
31st Warmest Warmest since: 1896 1934
Ties: 1911, 1980, 1986, 2018
Mar–Aug 1900
6-Month
62.3°F
(16.8°C)
62.3°F
(16.8°C)
0.0°F
(0.0°C)
56th Coolest Coolest since: 1899 1904, 1950, 1960
71st Warmest Warmest since: 1898 2012
Ties: 1929, 1970
Feb–Aug 1900
7-Month
56.6°F
(13.7°C)
57.6°F
(14.2°C)
-1.0°F
(-0.5°C)
31st Coolest Coolest since: 1899 1904
96th Warmest Warmest since: 1898 2012
Ties: 1940, 1965, 1971
Jan–Aug 1900
8-Month
53.3°F
(11.8°C)
53.6°F
(12.0°C)
-0.3°F
(-0.2°C)
57th Coolest Coolest since: 1899 1904, 1912
70th Warmest Warmest since: 1898 2012
Ties: 1910, 1916
Dec 1899–Aug 1900
9-Month
50.4°F
(10.2°C)
50.9°F
(10.5°C)
-0.5°F
(-0.3°C)
44th Coolest Coolest since: 1899 1904
82nd Warmest Warmest since: 1898 2012
Ties: 1923, 2001
Nov 1899–Aug 1900
10-Month
49.8°F
(9.9°C)
49.8°F
(9.9°C)
0.0°F
(0.0°C)
56th Coolest Coolest since: 1899 1904
70th Warmest Warmest since: 1898 2012
Ties: 1903, 2019
Oct 1899–Aug 1900
11-Month
50.6°F
(10.3°C)
50.3°F
(10.2°C)
0.3°F
(0.1°C)
72nd Coolest Coolest since: 1899 1904
54th Warmest Warmest since: 1898 2012
Ties: 1896, 1930, 1985
Sep 1899–Aug 1900
12-Month
51.8°F
(11.0°C)
51.7°F
(10.9°C)
0.1°F
(0.1°C)
63rd Coolest Coolest since: 1899 1904
63rd Warmest Warmest since: 1898 2012
Ties: 1916, 1930, 1948, 1959, 1973, 1985
Mar 1899–Aug 1900
18-Month
55.2°F
(12.9°C)
55.2°F
(12.9°C)
0.0°F
(0.0°C)
60th Coolest Coolest since: 1899 1904
66th Warmest Warmest since: 1898 2012
Ties: 1944, 1965, 2003
Sep 1898–Aug 1900
24-Month
50.8°F
(10.4°C)
51.7°F
(10.9°C)
-0.9°F
(-0.5°C)
20th Coolest Coolest to Date 1905
105th Warmest Warmest since: 1899 2017
Ties: 1963, 1968, 1969, 1982, 1994
Sep 1897–Aug 1900
36-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
38th Coolest Coolest since: 1899 1979
86th Warmest Warmest since: 1898 2018
Ties: 1902, 1951, 1965, 1972, 1977, 1994
Sep 1896–Aug 1900
48-Month
51.1°F
(10.6°C)
51.6°F
(10.9°C)
-0.5°F
(-0.3°C)
24th Coolest Coolest to Date 1905
99th Warmest Warmest since: 1899 2019
Ties: 1913, 1915, 1926, 1962, 1968
Sep 1895–Aug 1900
60-Month
51.3°F
(10.7°C)
51.5°F
(10.8°C)
-0.2°F
(-0.1°C)
33rd Coolest Coolest to Date 1906
89th Warmest Warmest to Date 2020
Ties: 1901, 1910, 1913, 1915, 1916, 1921, 1965, 1967, 1973

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2020, retrieved on September 24, 2020 from https://www.ncdc.noaa.gov/cag/