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

Statewide Rankings

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Illinois

March 1897 Average Temperature Rankings

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Coolest/Warmest Since	Record
March 1897 1-Month	39.0°F (3.9°C)	39.8°F (4.3°C)	-0.8°F	52nd Coolest	Coolest since: 1896	1960
March 1897 1-Month	39.0°F (3.9°C)	39.8°F (4.3°C)	-0.8°F	79th Warmest	Warmest to Date	2012
Feb–Mar 1897 2-Month	34.7°F (1.5°C)	34.5°F (1.4°C)	0.2°F	67th Coolest	Coolest since: 1896	1978
Feb–Mar 1897 2-Month	34.7°F (1.5°C)	34.5°F (1.4°C)	0.2°F	64th Warmest	Warmest to Date	2012
Jan–Mar 1897 3-Month	31.0°F (-0.6°C)	31.4°F (-0.3°C)	-0.4°F	57th Coolest	Coolest since: 1895	1912
Jan–Mar 1897 3-Month	31.0°F (-0.6°C)	31.4°F (-0.3°C)	-0.4°F	74th Warmest	Warmest since: 1896	2012
Dec 1896–Mar 1897 4-Month	31.7°F (-0.2°C)	31.0°F (-0.6°C)	0.7°F	74th Coolest	Coolest since: 1896	1978
Dec 1896–Mar 1897 4-Month	31.7°F (-0.2°C)	31.0°F (-0.6°C)	0.7°F	56th Warmest	Warmest to Date	2012
Nov 1896–Mar 1897 5-Month	33.3°F (0.7°C)	32.9°F (0.5°C)	0.4°F	67th Coolest	Coolest since: 1896	1912
Nov 1896–Mar 1897 5-Month	33.3°F (0.7°C)	32.9°F (0.5°C)	0.4°F	63rd Warmest	Warmest to Date	2012
Oct 1896–Mar 1897 6-Month	36.1°F (2.3°C)	36.6°F (2.6°C)	-0.5°F	43rd Coolest	Coolest since: 1896	1912, 1978
Oct 1896–Mar 1897 6-Month	36.1°F (2.3°C)	36.6°F (2.6°C)	-0.5°F	87th Warmest	Warmest to Date	2012
Sep 1896–Mar 1897 7-Month	39.9°F (4.4°C)	40.8°F (4.9°C)	-0.9°F	33rd Coolest	Coolest since: 1896	1977, 1978
Sep 1896–Mar 1897 7-Month	39.9°F (4.4°C)	40.8°F (4.9°C)	-0.9°F	97th Warmest	Warmest to Date	2017
Aug 1896–Mar 1897 8-Month	44.1°F (6.7°C)	44.9°F (7.2°C)	-0.8°F	31st Coolest	Coolest since: 1896	1977
Aug 1896–Mar 1897 8-Month	44.1°F (6.7°C)	44.9°F (7.2°C)	-0.8°F	99th Warmest	Warmest since: 1896	2017
Jul 1896–Mar 1897 9-Month	47.5°F (8.6°C)	48.3°F (9.1°C)	-0.8°F	36th Coolest	Coolest since: 1896	1977
Jul 1896–Mar 1897 9-Month	47.5°F (8.6°C)	48.3°F (9.1°C)	-0.8°F	94th Warmest	Warmest to Date	2012
Jun 1896–Mar 1897 10-Month	49.9°F (9.9°C)	50.6°F (10.3°C)	-0.7°F	36th Coolest	Coolest to Date	1904
Jun 1896–Mar 1897 10-Month	49.9°F (9.9°C)	50.6°F (10.3°C)	-0.7°F	94th Warmest	Warmest since: 1896	2012
May 1896–Mar 1897 11-Month	51.6°F (10.9°C)	51.7°F (10.9°C)	-0.1°F	58th Coolest	Coolest since: 1896	1918
May 1896–Mar 1897 11-Month	51.6°F (10.9°C)	51.7°F (10.9°C)	-0.1°F	72nd Warmest	Warmest to Date	2012
Apr 1896–Mar 1897 12-Month	52.2°F (11.2°C)	51.6°F (10.9°C)	0.6°F	75th Coolest	Coolest since: 1896	1918
Apr 1896–Mar 1897 12-Month	52.2°F (11.2°C)	51.6°F (10.9°C)	0.6°F	55th Warmest	Warmest to Date	2012
Oct 1895–Mar 1897 18-Month	46.4°F (8.0°C)	46.6°F (8.1°C)	-0.2°F	47th Coolest	Coolest to Date	1905
Oct 1895–Mar 1897 18-Month	46.4°F (8.0°C)	46.6°F (8.1°C)	-0.2°F	82nd Warmest	Warmest to Date	2017
Apr 1895–Mar 1897 24-Month	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F	66th Coolest	Coolest to Date	1905
Apr 1895–Mar 1897 24-Month	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F	63rd Warmest	Warmest to Date	2017

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NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2025, retrieved on March 26, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings

Climate at a Glance Statewide Rankings

Statewide Rankings

Illinois

March 1897 Average Temperature Rankings

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