Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Illinois

Average Temperature Rankings, November 2021

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
November 2021
1-Month 		40.9°F
(4.9°C)		 40.8°F
(4.9°C)		 0.1°F
(0.0°C)		 56th Coolest
Coolest since:
 1976
73rd Warmest
Warmest since:
 2001
Ties: 1961
Oct–Nov 2021
2-Month 		50.6°F
(10.3°C)		 47.7°F
(8.7°C)		 2.9°F
(1.6°C)		 110th Coolest
Coolest since:
 1976
19th Warmest
Warmest since:
 1963, 2016
Sep–Nov 2021
3-Month 		56.9°F
(13.8°C)		 53.9°F
(12.2°C)		 3.0°F
(1.6°C)		 119th Coolest
Coolest since:
 1976
10th Warmest
Warmest since:
 1931
Aug–Nov 2021
4-Month 		61.6°F
(16.4°C)		 58.8°F
(14.9°C)		 2.8°F
(1.5°C)		 123rd Coolest
Coolest since:
 1976
6th Warmest
Warmest since:
 2016
Ties: 1938, 1947, 2005
Jul–Nov 2021
5-Month 		64.2°F
(17.9°C)		 62.1°F
(16.7°C)		 2.1°F
(1.2°C)		 117th Coolest
Coolest since:
 1976
12th Warmest
Warmest since:
 1931
Jun–Nov 2021
6-Month 		65.8°F
(18.8°C)		 63.7°F
(17.6°C)		 2.1°F
(1.2°C)		 118th Coolest
Coolest since:
 1976
11th Warmest
Warmest since:
 1931
Ties: 1954
May–Nov 2021
7-Month 		65.2°F
(18.4°C)		 63.5°F
(17.5°C)		 1.7°F
(0.9°C)		 116th Coolest
Coolest since:
 1917, 1976
13th Warmest
Warmest since:
 1934, 2016
Ties: 1922
Apr–Nov 2021
8-Month 		63.6°F
(17.6°C)		 62.0°F
(16.7°C)		 1.6°F
(0.9°C)		 112th Coolest
Coolest since:
 1907
17th Warmest
Warmest since:
 2010, 2016
Ties: 1922, 1963, 1987, 1999
Mar–Nov 2021
9-Month 		61.6°F
(16.4°C)		 59.5°F
(15.3°C)		 2.1°F
(1.1°C)		 121st Coolest
Coolest since:
 1917
8th Warmest
Warmest since:
 2016
Ties: 1934
Feb–Nov 2021
10-Month 		57.6°F
(14.2°C)		 56.5°F
(13.6°C)		 1.1°F
(0.6°C)		 103rd Coolest
Coolest since:
 1917
26th Warmest
Warmest since:
 2012, 2016
Ties: 1941, 1955, 1990
Jan–Nov 2021
11-Month 		55.0°F
(12.8°C)		 53.6°F
(12.0°C)		 1.4°F
(0.8°C)		 103rd Coolest
Coolest since:
 1904, 1979
26th Warmest
Warmest since:
 2012
Ties: 1922, 1939, 1941, 2001
Dec 2020–Nov 2021
12-Month 		53.2°F
(11.8°C)		 51.6°F
(10.9°C)		 1.6°F
(0.9°C)		 105th Coolest
Coolest since:
 1904
23rd Warmest
Warmest since:
 2016
Ties: 1922, 1933, 2006
Jun 2020–Nov 2021
18-Month 		57.0°F
(13.9°C)		 55.7°F
(13.2°C)		 1.3°F
(0.7°C)		 104th Coolest
Coolest since:
 1904
24th Warmest
Warmest since:
 2012, 2016
Dec 2019–Nov 2021
24-Month 		53.4°F
(11.9°C)		 51.6°F
(10.9°C)		 1.8°F
(1.0°C)		 113th Coolest
Coolest since:
 1979
14th Warmest
Warmest since:
 2017
Ties: 1939
Dec 2018–Nov 2021
36-Month 		52.9°F
(11.6°C)		 51.6°F
(10.9°C)		 1.3°F
(0.7°C)		 109th Coolest
Coolest since:
 1905
17th Warmest
Warmest since:
 2000, 2017, 2018
Ties: 1956, 2002
Dec 2017–Nov 2021
48-Month 		52.7°F
(11.5°C)		 51.6°F
(10.9°C)		 1.1°F
(0.6°C)		 104th Coolest
Coolest since:
 1905
21st Warmest
Warmest since:
 2007, 2018
Dec 2016–Nov 2021
60-Month 		53.0°F
(11.7°C)		 51.6°F
(10.9°C)		 1.4°F
(0.8°C)		 115th Coolest
Coolest since:
 1907
9th Warmest
Warmest since:
 2002, 2020
Ties: 2001

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