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 1902

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
August 1902
1-Month
70.7°F
(21.5°C)
73.4°F
(23.0°C)
-2.7°F
(-1.5°C)
14th Coolest Coolest to Date 1915
113th Warmest Warmest since: 1901 1947
Jul–Aug 1902
2-Month
72.9°F
(22.7°C)
74.4°F
(23.6°C)
-1.5°F
(-0.9°C)
19th Coolest Coolest to Date 1915
108th Warmest Warmest since: 1901 1936
Ties: 1951, 1976, 2013
Jun–Aug 1902
3-Month
71.5°F
(21.9°C)
73.5°F
(23.1°C)
-2.0°F
(-1.2°C)
16th Coolest Coolest to Date 1915
111th Warmest Warmest since: 1901 1936
May–Aug 1902
4-Month
70.2°F
(21.2°C)
70.7°F
(21.5°C)
-0.5°F
(-0.3°C)
48th Coolest Coolest since: 1897 1915
79th Warmest Warmest since: 1901 1934, 1936
Ties: 1973, 1978, 1982, 2014
Apr–Aug 1902
5-Month
66.0°F
(18.9°C)
66.8°F
(19.3°C)
-0.8°F
(-0.4°C)
32nd Coolest Coolest since: 1897 1907
95th Warmest Warmest since: 1901 1934
Ties: 1971, 1972, 2008
Mar–Aug 1902
6-Month
62.0°F
(16.7°C)
62.4°F
(16.9°C)
-0.4°F
(-0.2°C)
44th Coolest Coolest since: 1899 1904, 1950, 1960
83rd Warmest Warmest since: 1901 2012
Ties: 1932, 1937
Feb–Aug 1902
7-Month
55.8°F
(13.2°C)
57.5°F
(14.2°C)
-1.7°F
(-1.0°C)
14th Coolest Coolest since: 1899 1904
113th Warmest Warmest since: 1901 2012
Jan–Aug 1902
8-Month
52.0°F
(11.1°C)
53.5°F
(11.9°C)
-1.5°F
(-0.8°C)
17th Coolest Coolest since: 1899 1904, 1912
110th Warmest Warmest since: 1901 2012
Ties: 1929, 1963
Dec 1901–Aug 1902
9-Month
49.0°F
(9.4°C)
50.9°F
(10.5°C)
-1.9°F
(-1.1°C)
13th Coolest Coolest since: 1899 1904
113th Warmest Warmest since: 1901 2012
Ties: 1905
Nov 1901–Aug 1902
10-Month
47.8°F
(8.8°C)
49.9°F
(9.9°C)
-2.1°F
(-1.1°C)
10th Coolest Coolest since: 1899 1904
116th Warmest Warmest since: 1901 2012
Oct 1901–Aug 1902
11-Month
48.5°F
(9.2°C)
50.4°F
(10.2°C)
-1.9°F
(-1.0°C)
12th Coolest Coolest since: 1899 1904
114th Warmest Warmest since: 1901 2012
Ties: 1951, 1960
Sep 1901–Aug 1902
12-Month
49.9°F
(9.9°C)
51.6°F
(10.9°C)
-1.7°F
(-1.0°C)
10th Coolest Coolest since: 1899 1904
116th Warmest Warmest since: 1901 2012
Ties: 1920, 1951
Mar 1901–Aug 1902
18-Month
54.2°F
(12.3°C)
55.1°F
(12.8°C)
-0.9°F
(-0.5°C)
17th Coolest Coolest since: 1899 1904
109th Warmest Warmest since: 1901 2012
Ties: 1910, 1920, 1968, 1977, 1994, 2015
Sep 1900–Aug 1902
24-Month
51.0°F
(10.6°C)
51.6°F
(10.9°C)
-0.6°F
(-0.3°C)
27th Coolest Coolest since: 1900 1905
98th Warmest Warmest since: 1901 2017
Ties: 1959, 1960
Sep 1899–Aug 1902
36-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
38th Coolest Coolest since: 1901 1979
86th Warmest Warmest since: 1900 2018
Ties: 1900, 1951, 1965, 1972, 1977, 1994
Sep 1898–Aug 1902
48-Month
50.9°F
(10.5°C)
51.6°F
(10.9°C)
-0.7°F
(-0.4°C)
17th Coolest Coolest to Date 1905
106th Warmest Warmest since: 1901 2019
Ties: 1919, 1929
Sep 1897–Aug 1902
60-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
28th Coolest Coolest to Date 1906
94th Warmest Warmest since: 1901 2020
Ties: 1909, 1960, 1961, 1983

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2020, retrieved on September 25, 2020 from https://www.ncdc.noaa.gov/cag/