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

Statewide Rankings

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Delaware

December 1921 Average Temperature Rankings

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Coolest/Warmest Since	Record
December 1921 1-Month	35.1°F (1.7°C)	36.2°F (2.3°C)	-1.1°F	41st Coolest	Coolest since: 1919	1989
December 1921 1-Month	35.1°F (1.7°C)	36.2°F (2.3°C)	-1.1°F	90th Warmest	Warmest since: 1920	2015
Nov–Dec 1921 2-Month	41.0°F (5.0°C)	41.0°F (5.0°C)	0.0°F	50th Coolest	Coolest since: 1919	1917
Nov–Dec 1921 2-Month	41.0°F (5.0°C)	41.0°F (5.0°C)	0.0°F	81st Warmest	Warmest since: 1920	2015
Oct–Dec 1921 3-Month	45.8°F (7.7°C)	46.1°F (7.8°C)	-0.3°F	45th Coolest	Coolest since: 1917	1917
Oct–Dec 1921 3-Month	45.8°F (7.7°C)	46.1°F (7.8°C)	-0.3°F	86th Warmest	Warmest since: 1920	2015
Sep–Dec 1921 4-Month	52.5°F (11.4°C)	51.4°F (10.8°C)	1.1°F	85th Coolest	Coolest since: 1919	1917
Sep–Dec 1921 4-Month	52.5°F (11.4°C)	51.4°F (10.8°C)	1.1°F	46th Warmest	Warmest since: 1920	2015
Aug–Dec 1921 5-Month	56.2°F (13.4°C)	55.9°F (13.3°C)	0.3°F	58th Coolest	Coolest since: 1919	1917
Aug–Dec 1921 5-Month	56.2°F (13.4°C)	55.9°F (13.3°C)	0.3°F	73rd Warmest	Warmest since: 1920	2015
Jul–Dec 1921 6-Month	59.8°F (15.4°C)	59.2°F (15.1°C)	0.6°F	79th Coolest	Coolest since: 1920	1917
Jul–Dec 1921 6-Month	59.8°F (15.4°C)	59.2°F (15.1°C)	0.6°F	52nd Warmest	Warmest since: 1911	2015
Jun–Dec 1921 7-Month	61.5°F (16.4°C)	60.8°F (16.0°C)	0.7°F	82nd Coolest	Coolest since: 1920	1917
Jun–Dec 1921 7-Month	61.5°F (16.4°C)	60.8°F (16.0°C)	0.7°F	49th Warmest	Warmest since: 1900	2015
May–Dec 1921 8-Month	61.4°F (16.3°C)	61.0°F (16.1°C)	0.4°F	76th Coolest	Coolest since: 1920	1917
May–Dec 1921 8-Month	61.4°F (16.3°C)	61.0°F (16.1°C)	0.4°F	55th Warmest	Warmest since: 1911	2015
Apr–Dec 1921 9-Month	60.9°F (16.1°C)	60.0°F (15.6°C)	0.9°F	87th Coolest	Coolest since: 1920	1917
Apr–Dec 1921 9-Month	60.9°F (16.1°C)	60.0°F (15.6°C)	0.9°F	44th Warmest	Warmest since: 1900	2015
Mar–Dec 1921 10-Month	60.2°F (15.7°C)	58.3°F (14.6°C)	1.9°F	110th Coolest	Coolest since: 1920	1917
Mar–Dec 1921 10-Month	60.2°F (15.7°C)	58.3°F (14.6°C)	1.9°F	21st Warmest	Warmest to Date	2012
Feb–Dec 1921 11-Month	58.1°F (14.5°C)	56.1°F (13.4°C)	2.0°F	109th Coolest	Coolest since: 1920	1917
Feb–Dec 1921 11-Month	58.1°F (14.5°C)	56.1°F (13.4°C)	2.0°F	22nd Warmest	Warmest to Date	2012
Jan–Dec 1921 12-Month	56.2°F (13.4°C)	54.2°F (12.3°C)	2.0°F	108th Coolest	Coolest since: 1920	1904
Jan–Dec 1921 12-Month	56.2°F (13.4°C)	54.2°F (12.3°C)	2.0°F	23rd Warmest	Warmest to Date	2012
Jul 1920–Dec 1921 18-Month	57.3°F (14.1°C)	55.9°F (13.3°C)	1.4°F	104th Coolest	Coolest since: 1920	1904
Jul 1920–Dec 1921 18-Month	57.3°F (14.1°C)	55.9°F (13.3°C)	1.4°F	26th Warmest	Warmest to Date	2012
Jan 1920–Dec 1921 24-Month	54.6°F (12.6°C)	54.2°F (12.3°C)	0.4°F	78th Coolest	Coolest since: 1920	1905
Jan 1920–Dec 1921 24-Month	54.6°F (12.6°C)	54.2°F (12.3°C)	0.4°F	52nd Warmest	Warmest to Date	2012
Jan 1919–Dec 1921 36-Month	54.5°F (12.5°C)	54.2°F (12.3°C)	0.3°F	70th Coolest	Coolest since: 1920	1905
Jan 1919–Dec 1921 36-Month	54.5°F (12.5°C)	54.2°F (12.3°C)	0.3°F	59th Warmest	Warmest to Date	2021
Jan 1918–Dec 1921 48-Month	54.3°F (12.4°C)	54.2°F (12.3°C)	0.1°F	59th Coolest	Coolest since: 1920	1907
Jan 1918–Dec 1921 48-Month	54.3°F (12.4°C)	54.2°F (12.3°C)	0.1°F	69th Warmest	Warmest to Date	2020
Jan 1917–Dec 1921 60-Month	53.7°F (12.1°C)	54.2°F (12.3°C)	-0.5°F	26th Coolest	Coolest since: 1920	1905
Jan 1917–Dec 1921 60-Month	53.7°F (12.1°C)	54.2°F (12.3°C)	-0.5°F	101st Warmest	Warmest since: 1916	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 1921 Average Temperature Rankings

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