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

Statewide Rankings

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Delaware

December 1947 Average Temperature Rankings

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Coolest/Warmest Since	Record
December 1947 1-Month	33.6°F (0.9°C)	36.2°F (2.3°C)	-2.6°F	26th Coolest	Coolest since: 1945	1989
	33.6°F (0.9°C)	36.2°F (2.3°C)	-2.6°F	105th Warmest	Warmest since: 1946	2015
	Ties: 1896
Nov–Dec 1947 2-Month	38.2°F (3.4°C)	41.0°F (5.0°C)	-2.8°F	15th Coolest	Coolest since: 1926	1917
Nov–Dec 1947 2-Month	38.2°F (3.4°C)	41.0°F (5.0°C)	-2.8°F	116th Warmest	Warmest since: 1946	2015
Oct–Dec 1947 3-Month	46.0°F (7.8°C)	46.1°F (7.8°C)	-0.1°F	50th Coolest	Coolest since: 1945	1917
Oct–Dec 1947 3-Month	46.0°F (7.8°C)	46.1°F (7.8°C)	-0.1°F	81st Warmest	Warmest since: 1946	2015
Sep–Dec 1947 4-Month	51.5°F (10.8°C)	51.4°F (10.8°C)	0.1°F	51st Coolest	Coolest since: 1945	1917
Sep–Dec 1947 4-Month	51.5°F (10.8°C)	51.4°F (10.8°C)	0.1°F	80th Warmest	Warmest since: 1946	2015
Aug–Dec 1947 5-Month	56.4°F (13.6°C)	55.9°F (13.3°C)	0.5°F	72nd Coolest	Coolest since: 1945	1917
Aug–Dec 1947 5-Month	56.4°F (13.6°C)	55.9°F (13.3°C)	0.5°F	59th Warmest	Warmest since: 1946	2015
Jul–Dec 1947 6-Month	59.3°F (15.2°C)	59.2°F (15.1°C)	0.1°F	57th Coolest	Coolest since: 1945	1917
	59.3°F (15.2°C)	59.2°F (15.1°C)	0.1°F	74th Warmest	Warmest since: 1946	2015
	Ties: 1902
Jun–Dec 1947 7-Month	60.7°F (15.9°C)	60.8°F (16.0°C)	-0.1°F	45th Coolest	Coolest since: 1945	1917
Jun–Dec 1947 7-Month	60.7°F (15.9°C)	60.8°F (16.0°C)	-0.1°F	86th Warmest	Warmest since: 1946	2015
May–Dec 1947 8-Month	60.9°F (16.1°C)	61.0°F (16.1°C)	-0.1°F	43rd Coolest	Coolest since: 1945	1917
May–Dec 1947 8-Month	60.9°F (16.1°C)	61.0°F (16.1°C)	-0.1°F	88th Warmest	Warmest since: 1946	2015
Apr–Dec 1947 9-Month	60.1°F (15.6°C)	60.0°F (15.6°C)	0.1°F	54th Coolest	Coolest since: 1946	1917
Apr–Dec 1947 9-Month	60.1°F (15.6°C)	60.0°F (15.6°C)	0.1°F	77th Warmest	Warmest since: 1946	2015
Mar–Dec 1947 10-Month	57.8°F (14.3°C)	58.3°F (14.6°C)	-0.5°F	33rd Coolest	Coolest since: 1940	1917
Mar–Dec 1947 10-Month	57.8°F (14.3°C)	58.3°F (14.6°C)	-0.5°F	98th Warmest	Warmest since: 1946	2012
Feb–Dec 1947 11-Month	55.2°F (12.9°C)	56.1°F (13.4°C)	-0.9°F	24th Coolest	Coolest since: 1940	1917
Feb–Dec 1947 11-Month	55.2°F (12.9°C)	56.1°F (13.4°C)	-0.9°F	107th Warmest	Warmest since: 1946	2012
Jan–Dec 1947 12-Month	53.9°F (12.2°C)	54.2°F (12.3°C)	-0.3°F	39th Coolest	Coolest since: 1940	1904
Jan–Dec 1947 12-Month	53.9°F (12.2°C)	54.2°F (12.3°C)	-0.3°F	92nd Warmest	Warmest since: 1946	2012
Jul 1946–Dec 1947 18-Month	55.9°F (13.3°C)	55.9°F (13.3°C)	0.0°F	52nd Coolest	Coolest since: 1945	1904
Jul 1946–Dec 1947 18-Month	55.9°F (13.3°C)	55.9°F (13.3°C)	0.0°F	78th Warmest	Warmest since: 1946	2012
Jan 1946–Dec 1947 24-Month	54.6°F (12.6°C)	54.2°F (12.3°C)	0.4°F	78th Coolest	Coolest since: 1945	1905
Jan 1946–Dec 1947 24-Month	54.6°F (12.6°C)	54.2°F (12.3°C)	0.4°F	52nd Warmest	Warmest since: 1946	2012
Jan 1945–Dec 1947 36-Month	54.6°F (12.6°C)	54.2°F (12.3°C)	0.4°F	76th Coolest	Coolest since: 1946	1905
Jan 1945–Dec 1947 36-Month	54.6°F (12.6°C)	54.2°F (12.3°C)	0.4°F	53rd Warmest	Warmest since: 1946	2021
Jan 1944–Dec 1947 48-Month	54.5°F (12.5°C)	54.2°F (12.3°C)	0.3°F	70th Coolest	Coolest since: 1946	1907
	54.5°F (12.5°C)	54.2°F (12.3°C)	0.3°F	58th Warmest	Warmest since: 1946	2020
	Ties: 1922, 1939, 1946
Jan 1943–Dec 1947 60-Month	54.4°F (12.4°C)	54.2°F (12.3°C)	0.2°F	69th Coolest	Coolest since: 1945	1905
Jan 1943–Dec 1947 60-Month	54.4°F (12.4°C)	54.2°F (12.3°C)	0.2°F	58th Warmest	Warmest since: 1946	2020, 2021

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

Delaware

December 1947 Average Temperature Rankings

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