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

Statewide Rankings

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Illinois

March 1951 Average Temperature Rankings

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Coolest/Warmest Since	Record
March 1951 1-Month	36.2°F (2.3°C)	39.8°F (4.3°C)	-3.6°F	30th Coolest	Coolest since: 1950	1960
March 1951 1-Month	36.2°F (2.3°C)	39.8°F (4.3°C)	-3.6°F	101st Warmest	Warmest since: 1949	2012
Feb–Mar 1951 2-Month	32.8°F (0.4°C)	34.5°F (1.4°C)	-1.7°F	41st Coolest	Coolest since: 1950	1978
	32.8°F (0.4°C)	34.5°F (1.4°C)	-1.7°F	90th Warmest	Warmest since: 1949	2012
	Ties: 1940
Jan–Mar 1951 3-Month	30.6°F (-0.8°C)	31.4°F (-0.3°C)	-0.8°F	51st Coolest	Coolest since: 1948	1912
Jan–Mar 1951 3-Month	30.6°F (-0.8°C)	31.4°F (-0.3°C)	-0.8°F	80th Warmest	Warmest since: 1950	2012
Dec 1950–Mar 1951 4-Month	28.4°F (-2.0°C)	31.0°F (-0.6°C)	-2.6°F	20th Coolest	Coolest since: 1940	1978
Dec 1950–Mar 1951 4-Month	28.4°F (-2.0°C)	31.0°F (-0.6°C)	-2.6°F	110th Warmest	Warmest since: 1950	2012
Nov 1950–Mar 1951 5-Month	29.6°F (-1.3°C)	32.9°F (0.5°C)	-3.3°F	11th Coolest	Coolest since: 1936	1912
	29.6°F (-1.3°C)	32.9°F (0.5°C)	-3.3°F	119th Warmest	Warmest since: 1950	2012
	Ties: 1918
Oct 1950–Mar 1951 6-Month	34.6°F (1.4°C)	36.6°F (2.6°C)	-2.0°F	19th Coolest	Coolest since: 1936	1912, 1978
Oct 1950–Mar 1951 6-Month	34.6°F (1.4°C)	36.6°F (2.6°C)	-2.0°F	111th Warmest	Warmest since: 1950	2012
Sep 1950–Mar 1951 7-Month	38.8°F (3.8°C)	40.8°F (4.9°C)	-2.0°F	17th Coolest	Coolest since: 1936	1977, 1978
Sep 1950–Mar 1951 7-Month	38.8°F (3.8°C)	40.8°F (4.9°C)	-2.0°F	113th Warmest	Warmest since: 1950	2017
Aug 1950–Mar 1951 8-Month	42.6°F (5.9°C)	44.9°F (7.2°C)	-2.3°F	12th Coolest	Coolest since: 1936	1977
Aug 1950–Mar 1951 8-Month	42.6°F (5.9°C)	44.9°F (7.2°C)	-2.3°F	118th Warmest	Warmest since: 1950	2017
Jul 1950–Mar 1951 9-Month	45.9°F (7.7°C)	48.3°F (9.1°C)	-2.4°F	10th Coolest	Coolest since: 1918	1977
Jul 1950–Mar 1951 9-Month	45.9°F (7.7°C)	48.3°F (9.1°C)	-2.4°F	120th Warmest	Warmest since: 1950	2012
Jun 1950–Mar 1951 10-Month	48.3°F (9.1°C)	50.6°F (10.3°C)	-2.3°F	9th Coolest	Coolest since: 1936	1904
	48.3°F (9.1°C)	50.6°F (10.3°C)	-2.3°F	121st Warmest	Warmest since: 1950	2012
	Ties: 1936
May 1950–Mar 1951 11-Month	49.7°F (9.8°C)	51.7°F (10.9°C)	-2.0°F	12th Coolest	Coolest since: 1936	1918
May 1950–Mar 1951 11-Month	49.7°F (9.8°C)	51.7°F (10.9°C)	-2.0°F	118th Warmest	Warmest since: 1950	2012
Apr 1950–Mar 1951 12-Month	49.4°F (9.7°C)	51.6°F (10.9°C)	-2.2°F	7th Coolest	Coolest since: 1936	1918
Apr 1950–Mar 1951 12-Month	49.4°F (9.7°C)	51.6°F (10.9°C)	-2.2°F	123rd Warmest	Warmest since: 1950	2012
Oct 1949–Mar 1951 18-Month	45.8°F (7.7°C)	46.6°F (8.1°C)	-0.8°F	27th Coolest	Coolest since: 1936	1905
Oct 1949–Mar 1951 18-Month	45.8°F (7.7°C)	46.6°F (8.1°C)	-0.8°F	102nd Warmest	Warmest since: 1950	2017
Apr 1949–Mar 1951 24-Month	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F	30th Coolest	Coolest since: 1937	1905
	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F	99th Warmest	Warmest since: 1950	2017
	Ties: 1903, 1911, 1917, 1929
Apr 1948–Mar 1951 36-Month	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F	53rd Coolest	Coolest since: 1948	1979
Apr 1948–Mar 1951 36-Month	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F	75th Warmest	Warmest since: 1950	2018
Apr 1947–Mar 1951 48-Month	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F	46th Coolest	Coolest since: 1931	1980
Apr 1947–Mar 1951 48-Month	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F	81st Warmest	Warmest since: 1950	2019
Apr 1946–Mar 1951 60-Month	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F	49th Coolest	Coolest since: 1931	1906
Apr 1946–Mar 1951 60-Month	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F	77th Warmest	Warmest since: 1950	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2025, retrieved on March 23, 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 1951 Average Temperature Rankings

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