Divisional Rankings

Parameter:

Year:

Month:

State:

Division:

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, Climate Division 3. West

Average Temperature Rankings, January 2021

View Period (Months):

All

Download: CSV JSON XML

Record Coolest

Bottom ⅒

Bottom ⅓

Normal

Top ⅓

Top ⅒

Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
January 2021 1-Month	27.8°F (-2.3°C)	23.8°F (-4.6°C)	4.0°F (2.3°C)	98th Coolest	Coolest since: 2019	1977
	27.8°F (-2.3°C)	23.8°F (-4.6°C)	4.0°F (2.3°C)	32nd Warmest	Warmest since: 2020	2006
	Ties: 1941
Dec 2020–Jan 2021 2-Month	29.7°F (-1.3°C)	26.1°F (-3.3°C)	3.6°F (2.0°C)	101st Coolest	Coolest since: 2019	1918
	29.7°F (-1.3°C)	26.1°F (-3.3°C)	3.6°F (2.0°C)	28th Warmest	Warmest since: 2020	1932
	Ties: 1908, 1913
Nov 2020–Jan 2021 3-Month	35.3°F (1.8°C)	30.8°F (-0.7°C)	4.5°F (2.5°C)	123rd Coolest	Coolest since: 2020	1977
	35.3°F (1.8°C)	30.8°F (-0.7°C)	4.5°F (2.5°C)	6th Warmest	Warmest since: 2016	2002
	Ties: 1989, 2007
Oct 2020–Jan 2021 4-Month	39.1°F (3.9°C)	36.8°F (2.7°C)	2.3°F (1.2°C)	105th Coolest	Coolest since: 2020	1977
	39.1°F (3.9°C)	36.8°F (2.7°C)	2.3°F (1.2°C)	24th Warmest	Warmest since: 2017	1932
	Ties: 1901, 2007
Sep 2020–Jan 2021 5-Month	44.2°F (6.8°C)	42.6°F (5.9°C)	1.6°F (0.9°C)	94th Coolest	Coolest since: 2019	1977
	44.2°F (6.8°C)	42.6°F (5.9°C)	1.6°F (0.9°C)	35th Warmest	Warmest since: 2020	1932
	Ties: 1909, 1919, 1955
Aug 2020–Jan 2021 6-Month	49.0°F (9.4°C)	47.8°F (8.8°C)	1.2°F (0.6°C)	92nd Coolest	Coolest since: 2019	1977
	49.0°F (9.4°C)	47.8°F (8.8°C)	1.2°F (0.6°C)	37th Warmest	Warmest since: 2020	1932
	Ties: 1909, 1964
Jul 2020–Jan 2021 7-Month	53.0°F (11.7°C)	51.8°F (11.0°C)	1.2°F (0.7°C)	95th Coolest	Coolest since: 2019	1977
	53.0°F (11.7°C)	51.8°F (11.0°C)	1.2°F (0.7°C)	34th Warmest	Warmest since: 2020	1932
	Ties: 1981, 1983
Jun 2020–Jan 2021 8-Month	55.6°F (13.1°C)	54.3°F (12.4°C)	1.3°F (0.7°C)	97th Coolest	Coolest since: 2020	1977
	55.6°F (13.1°C)	54.3°F (12.4°C)	1.3°F (0.7°C)	32nd Warmest	Warmest since: 2020	1932
	Ties: 2007, 2020
May 2020–Jan 2021 9-Month	56.1°F (13.4°C)	55.2°F (12.9°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 2018	1918, 1977
	56.1°F (13.4°C)	55.2°F (12.9°C)	0.9°F (0.5°C)	39th Warmest	Warmest since: 2020	1932
	Ties: 1913, 1964, 1972, 1983
Apr 2020–Jan 2021 10-Month	55.4°F (13.0°C)	54.8°F (12.7°C)	0.6°F (0.3°C)	76th Coolest	Coolest since: 2019	1918
	55.4°F (13.0°C)	54.8°F (12.7°C)	0.6°F (0.3°C)	53rd Warmest	Warmest since: 2020	1932
	Ties: 1907, 2019
Mar 2020–Jan 2021 11-Month	54.3°F (12.4°C)	53.4°F (11.9°C)	0.9°F (0.5°C)	94th Coolest	Coolest since: 2020	1918
	54.3°F (12.4°C)	53.4°F (11.9°C)	0.9°F (0.5°C)	35th Warmest	Warmest since: 2018	1932, 2013, 2017
	Ties: 1995, 2005, 2018
Feb 2020–Jan 2021 12-Month	52.3°F (11.3°C)	51.2°F (10.7°C)	1.1°F (0.6°C)	100th Coolest	Coolest since: 2020	1918
	52.3°F (11.3°C)	51.2°F (10.7°C)	1.1°F (0.6°C)	29th Warmest	Warmest since: 2018	1932
	Ties: 1937
Aug 2019–Jan 2021 18-Month	51.3°F (10.7°C)	50.1°F (10.1°C)	1.2°F (0.6°C)	102nd Coolest	Coolest since: 2020	1905, 1918
	51.3°F (10.7°C)	50.1°F (10.1°C)	1.2°F (0.6°C)	26th Warmest	Warmest since: 2018	2017
	Ties: 1934, 1949, 1989, 2012
Feb 2019–Jan 2021 24-Month	52.0°F (11.1°C)	51.2°F (10.7°C)	0.8°F (0.4°C)	91st Coolest	Coolest since: 2020	1918
	52.0°F (11.1°C)	51.2°F (10.7°C)	0.8°F (0.4°C)	37th Warmest	Warmest since: 2019	1932
	Ties: 1948, 1958
Feb 2018–Jan 2021 36-Month	51.9°F (11.1°C)	51.2°F (10.7°C)	0.7°F (0.4°C)	88th Coolest	Coolest since: 2016	1905
	51.9°F (11.1°C)	51.2°F (10.7°C)	0.7°F (0.4°C)	39th Warmest	Warmest since: 2020	1933
	Ties: 1992, 2012
Feb 2017–Jan 2021 48-Month	52.2°F (11.2°C)	51.2°F (10.7°C)	1.0°F (0.5°C)	102nd Coolest	Coolest since: 2017	1905
	52.2°F (11.2°C)	51.2°F (10.7°C)	1.0°F (0.5°C)	24th Warmest	Warmest since: 2020	1934
	Ties: 1932, 1940, 1990
Feb 2016–Jan 2021 60-Month	52.7°F (11.5°C)	51.2°F (10.7°C)	1.5°F (0.8°C)	123rd Coolest	Coolest since: 2020	1906, 1907
	52.7°F (11.5°C)	51.2°F (10.7°C)	1.5°F (0.8°C)	2nd Warmest	Warmest since: 2020	1935
	Ties: 2002, 2003, 2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 25, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings