Climate at a Glance | Statewide Rankings | National Centers for Environmental Information (NCEI)

Statewide Rankings

Parameter:

Year:

Month:

State:

Please note, Degree Days and Palmer Indices are not available for Alaska or Hawaii. 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

December 2002 Average Temperature Rankings

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 (1895-2025)	Coolest/Warmest Since	Record
December 2002 1-Month	32.2°F (0.1°C)	29.4°F (-1.4°C)	2.8°F	85th Coolest	Coolest since: 2000	1983
	32.2°F (0.1°C)	29.4°F (-1.4°C)	2.8°F	46th Warmest	Warmest since: 2001	2015
	Ties: 1907
Nov–Dec 2002 2-Month	35.9°F (2.2°C)	35.1°F (1.7°C)	0.8°F	70th Coolest	Coolest since: 2000	1950
Nov–Dec 2002 2-Month	35.9°F (2.2°C)	35.1°F (1.7°C)	0.8°F	61st Warmest	Warmest since: 2001	2015
Oct–Dec 2002 3-Month	41.3°F (5.2°C)	41.6°F (5.3°C)	-0.3°F	53rd Coolest	Coolest since: 2000	1976
	41.3°F (5.2°C)	41.6°F (5.3°C)	-0.3°F	78th Warmest	Warmest since: 2001	1931
	Ties: 1924, 1952, 1981
Sep–Dec 2002 4-Month	48.3°F (9.1°C)	47.8°F (8.8°C)	0.5°F	70th Coolest	Coolest since: 2000	1976
Sep–Dec 2002 4-Month	48.3°F (9.1°C)	47.8°F (8.8°C)	0.5°F	61st Warmest	Warmest since: 2001	1931
Aug–Dec 2002 5-Month	53.6°F (12.0°C)	52.9°F (11.6°C)	0.7°F	79th Coolest	Coolest since: 2000	1976
Aug–Dec 2002 5-Month	53.6°F (12.0°C)	52.9°F (11.6°C)	0.7°F	52nd Warmest	Warmest since: 2001	1931
Jul–Dec 2002 6-Month	57.7°F (14.3°C)	56.7°F (13.7°C)	1.0°F	91st Coolest	Coolest since: 2000	1976
	57.7°F (14.3°C)	56.7°F (13.7°C)	1.0°F	40th Warmest	Warmest since: 2001	1931
	Ties: 1965, 1982
Jun–Dec 2002 7-Month	60.0°F (15.6°C)	58.8°F (14.9°C)	1.2°F	98th Coolest	Coolest since: 2000	1917
	60.0°F (15.6°C)	58.8°F (14.9°C)	1.2°F	33rd Warmest	Warmest since: 2001	1931
	Ties: 1973
May–Dec 2002 8-Month	59.9°F (15.5°C)	59.2°F (15.1°C)	0.7°F	80th Coolest	Coolest since: 2000	1917
	59.9°F (15.5°C)	59.2°F (15.1°C)	0.7°F	51st Warmest	Warmest since: 2001	1931
	Ties: 1944, 1970, 1973
Apr–Dec 2002 9-Month	59.2°F (15.1°C)	58.3°F (14.6°C)	0.9°F	89th Coolest	Coolest since: 2000	1917
Apr–Dec 2002 9-Month	59.2°F (15.1°C)	58.3°F (14.6°C)	0.9°F	42nd Warmest	Warmest since: 2001	1931
Mar–Dec 2002 10-Month	57.1°F (13.9°C)	56.5°F (13.6°C)	0.6°F	82nd Coolest	Coolest since: 2000	1917
Mar–Dec 2002 10-Month	57.1°F (13.9°C)	56.5°F (13.6°C)	0.6°F	49th Warmest	Warmest since: 2001	2012
Feb–Dec 2002 11-Month	55.0°F (12.8°C)	54.0°F (12.2°C)	1.0°F	93rd Coolest	Coolest since: 2000	1917
	55.0°F (12.8°C)	54.0°F (12.2°C)	1.0°F	38th Warmest	Warmest since: 2001	2024
	Ties: 1949, 1971
Jan–Dec 2002 12-Month	53.2°F (11.8°C)	51.6°F (10.9°C)	1.6°F	105th Coolest	Coolest since: 2000	1917
Jan–Dec 2002 12-Month	53.2°F (11.8°C)	51.6°F (10.9°C)	1.6°F	26th Warmest	Warmest since: 2001	2012
Jul 2001–Dec 2002 18-Month	55.2°F (12.9°C)	53.3°F (11.8°C)	1.9°F	118th Coolest	Coolest since: 2001	1904
Jul 2001–Dec 2002 18-Month	55.2°F (12.9°C)	53.3°F (11.8°C)	1.9°F	12th Warmest	Warmest since: 1999	2012
Jan 2001–Dec 2002 24-Month	53.3°F (11.8°C)	51.6°F (10.9°C)	1.7°F	110th Coolest	Coolest since: 2001	1904, 1979
Jan 2001–Dec 2002 24-Month	53.3°F (11.8°C)	51.6°F (10.9°C)	1.7°F	20th Warmest	Warmest since: 1999	2024
Jan 2000–Dec 2002 36-Month	52.9°F (11.6°C)	51.6°F (10.9°C)	1.3°F	106th Coolest	Coolest since: 1998	1905
Jan 2000–Dec 2002 36-Month	52.9°F (11.6°C)	51.6°F (10.9°C)	1.3°F	23rd Warmest	Warmest since: 2001	2024
Jan 1999–Dec 2002 48-Month	53.1°F (11.7°C)	51.6°F (10.9°C)	1.5°F	117th Coolest	Coolest since: 2000	1905
Jan 1999–Dec 2002 48-Month	53.1°F (11.7°C)	51.6°F (10.9°C)	1.5°F	11th Warmest	Warmest since: 2001	2024
Jan 1998–Dec 2002 60-Month	53.5°F (11.9°C)	51.6°F (10.9°C)	1.9°F	125th Coolest	Coolest since: 2001	1905
Jan 1998–Dec 2002 60-Month	53.5°F (11.9°C)	51.6°F (10.9°C)	1.9°F	2nd Warmest	Warmest to Date	2024

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2025, retrieved on April 2, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings

Climate at a Glance Statewide Rankings

Statewide Rankings

Illinois

December 2002 Average Temperature Rankings

Citing This Page

Success

Error