Statewide Rankings

Statewide Data Info
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Illinois

Average Temperature Rankings, August 1921

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
August 1921
1-Month 		73.0°F
(22.8°C)		 73.4°F
(23.0°C)		 -0.4°F
(-0.2°C)		 52nd Coolest
Coolest since:
 1915
77th Warmest
Warmest since:
 1947
Ties: 1923, 1969, 1978
Jul–Aug 1921
2-Month 		76.3°F
(24.6°C)		 74.5°F
(23.6°C)		 1.8°F
(1.0°C)		 106th Coolest
Coolest since:
 1915
23rd Warmest
Warmest since:
 1936
Jun–Aug 1921
3-Month 		76.1°F
(24.5°C)		 73.5°F
(23.1°C)		 2.6°F
(1.4°C)		 119th Coolest
Coolest since:
 1915
10th Warmest
Warmest since:
 1936
May–Aug 1921
4-Month 		73.1°F
(22.8°C)		 70.6°F
(21.4°C)		 2.5°F
(1.4°C)		 119th Coolest
Coolest since:
 1915
10th Warmest
Warmest since:
 1936
Apr–Aug 1921
5-Month 		69.3°F
(20.7°C)		 66.8°F
(19.3°C)		 2.5°F
(1.4°C)		 121st Coolest
Coolest since:
 1907
8th Warmest
Warmest since:
 1934
Ties: 1955, 1977
Mar–Aug 1921
6-Month 		65.9°F
(18.8°C)		 62.3°F
(16.8°C)		 3.6°F
(2.0°C)		 126th Coolest
Coolest since:
 1950, 1960
3rd Warmest
Warmest to Date
 2012
Feb–Aug 1921
7-Month 		61.4°F
(16.3°C)		 57.6°F
(14.2°C)		 3.8°F
(2.1°C)		 127th Coolest
Coolest since:
 1904
2nd Warmest
Warmest to Date
 2012
Jan–Aug 1921
8-Month 		57.8°F
(14.3°C)		 53.6°F
(12.0°C)		 4.2°F
(2.3°C)		 127th Coolest
Coolest since:
 1912
2nd Warmest
Warmest to Date
 2012
Dec 1920–Aug 1921
9-Month 		54.9°F
(12.7°C)		 50.9°F
(10.5°C)		 4.0°F
(2.2°C)		 126th Coolest
Coolest since:
 1904
2nd Warmest
Warmest to Date
 2012
Nov 1920–Aug 1921
10-Month 		53.2°F
(11.8°C)		 49.9°F
(9.9°C)		 3.3°F
(1.9°C)		 125th Coolest
Coolest since:
 1904
3rd Warmest
Warmest to Date
 2012
Oct 1920–Aug 1921
11-Month 		53.8°F
(12.1°C)		 50.3°F
(10.2°C)		 3.5°F
(1.9°C)		 125th Coolest
Coolest since:
 1904
3rd Warmest
Warmest to Date
 2012
Sep 1920–Aug 1921
12-Month 		55.0°F
(12.8°C)		 51.6°F
(10.9°C)		 3.4°F
(1.9°C)		 123rd Coolest
Coolest since:
 1904
5th Warmest
Warmest to Date
 2012
Mar 1920–Aug 1921
18-Month 		56.9°F
(13.8°C)		 55.2°F
(12.9°C)		 1.7°F
(0.9°C)		 114th Coolest
Coolest since:
 1904
14th Warmest
Warmest to Date
 2012
Ties: 1934, 2005, 2011
Sep 1919–Aug 1921
24-Month 		52.5°F
(11.4°C)		 51.6°F
(10.9°C)		 0.9°F
(0.5°C)		 95th Coolest
Coolest since:
 1905
32nd Warmest
Warmest since:
 2017
Ties: 2008
Sep 1918–Aug 1921
36-Month 		52.5°F
(11.4°C)		 51.6°F
(10.9°C)		 0.9°F
(0.5°C)		 95th Coolest
Coolest since:
 1979
31st Warmest
Warmest to Date
 2018
Ties: 1943, 1957, 1991, 1993, 2014
Sep 1917–Aug 1921
48-Month 		51.8°F
(11.0°C)		 51.6°F
(10.9°C)		 0.2°F
(0.1°C)		 65th Coolest
Coolest since:
 1905
60th Warmest
Warmest since:
 2019
Ties: 1925, 1931, 1938, 1950, 1995, 2016
Sep 1916–Aug 1921
60-Month 		51.3°F
(10.7°C)		 51.6°F
(10.9°C)		 -0.3°F
(-0.2°C)		 33rd Coolest
Coolest since:
 1906
91st Warmest
Warmest since:
 2020
Ties: 1900, 1901, 1910, 1913, 1915, 1916, 1965, 1967, 1973

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