Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Delaware

Average Temperature Rankings, July 2021

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Record Coolest

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 2021 1-Month	77.7°F (25.4°C)	75.5°F (24.2°C)	2.2°F (1.2°C)	105th Coolest	Coolest since: 2018	1895
	77.7°F (25.4°C)	75.5°F (24.2°C)	2.2°F (1.2°C)	24th Warmest	Warmest since: 2020	2012
	Ties: 1921, 1931, 1934
Jun–Jul 2021 2-Month	75.8°F (24.3°C)	73.2°F (22.9°C)	2.6°F (1.4°C)	116th Coolest	Coolest since: 2018	1907
	75.8°F (24.3°C)	73.2°F (22.9°C)	2.6°F (1.4°C)	13th Warmest	Warmest since: 2020	2010
	Ties: 1943, 1952
May–Jul 2021 3-Month	71.6°F (22.0°C)	69.5°F (20.8°C)	2.1°F (1.2°C)	113th Coolest	Coolest since: 2017	1907
	71.6°F (22.0°C)	69.5°F (20.8°C)	2.1°F (1.2°C)	16th Warmest	Warmest since: 2020	2010
	Ties: 2017
Apr–Jul 2021 4-Month	67.5°F (19.7°C)	65.1°F (18.4°C)	2.4°F (1.3°C)	118th Coolest	Coolest since: 2020	1907
Apr–Jul 2021 4-Month	67.5°F (19.7°C)	65.1°F (18.4°C)	2.4°F (1.3°C)	11th Warmest	Warmest since: 2019	2010
Mar–Jul 2021 5-Month	63.5°F (17.5°C)	60.6°F (15.9°C)	2.9°F (1.6°C)	120th Coolest	Coolest since: 2020	1907
Mar–Jul 2021 5-Month	63.5°F (17.5°C)	60.6°F (15.9°C)	2.9°F (1.6°C)	9th Warmest	Warmest since: 2019	2010, 2012
Feb–Jul 2021 6-Month	58.9°F (14.9°C)	56.3°F (13.5°C)	2.6°F (1.4°C)	115th Coolest	Coolest since: 2018	1907
	58.9°F (14.9°C)	56.3°F (13.5°C)	2.6°F (1.4°C)	14th Warmest	Warmest since: 2020	2012
	Ties: 2008, 2018
Jan–Jul 2021 7-Month	55.6°F (13.1°C)	52.9°F (11.6°C)	2.7°F (1.5°C)	114th Coolest	Coolest since: 2018	1940
	55.6°F (13.1°C)	52.9°F (11.6°C)	2.7°F (1.5°C)	15th Warmest	Warmest since: 2020	2012
	Ties: 2016
Dec 2020–Jul 2021 8-Month	53.6°F (12.0°C)	50.8°F (10.4°C)	2.8°F (1.6°C)	114th Coolest	Coolest since: 2018	1904
	53.6°F (12.0°C)	50.8°F (10.4°C)	2.8°F (1.6°C)	14th Warmest	Warmest since: 2020	2012
	Ties: 2006, 2013
Nov 2020–Jul 2021 9-Month	53.4°F (11.9°C)	50.3°F (10.2°C)	3.1°F (1.7°C)	119th Coolest	Coolest since: 2018	1904
	53.4°F (11.9°C)	50.3°F (10.2°C)	3.1°F (1.7°C)	9th Warmest	Warmest since: 2020	2012
	Ties: 1949
Oct 2020–Jul 2021 10-Month	54.1°F (12.3°C)	50.9°F (10.5°C)	3.2°F (1.8°C)	120th Coolest	Coolest since: 2018	1904
Oct 2020–Jul 2021 10-Month	54.1°F (12.3°C)	50.9°F (10.5°C)	3.2°F (1.8°C)	8th Warmest	Warmest since: 2020	2012
Sep 2020–Jul 2021 11-Month	55.4°F (13.0°C)	52.4°F (11.3°C)	3.0°F (1.7°C)	119th Coolest	Coolest since: 2018	1918
	55.4°F (13.0°C)	52.4°F (11.3°C)	3.0°F (1.7°C)	9th Warmest	Warmest since: 2020	2012
	Ties: 2006
Aug 2020–Jul 2021 12-Month	57.2°F (14.0°C)	54.2°F (12.3°C)	3.0°F (1.7°C)	119th Coolest	Coolest since: 2018	1904
	57.2°F (14.0°C)	54.2°F (12.3°C)	3.0°F (1.7°C)	9th Warmest	Warmest since: 2020	2012
	Ties: 2008
Feb 2020–Jul 2021 18-Month	58.1°F (14.5°C)	54.9°F (12.7°C)	3.2°F (1.8°C)	122nd Coolest	Coolest since: 2018	1905, 1918
Feb 2020–Jul 2021 18-Month	58.1°F (14.5°C)	54.9°F (12.7°C)	3.2°F (1.8°C)	6th Warmest	Warmest since: 2020	2012
Aug 2019–Jul 2021 24-Month	57.4°F (14.1°C)	54.2°F (12.3°C)	3.2°F (1.8°C)	122nd Coolest	Coolest since: 2019	1905
	57.4°F (14.1°C)	54.2°F (12.3°C)	3.2°F (1.8°C)	5th Warmest	Warmest since: 2020	2017
	Ties: 2018
Aug 2018–Jul 2021 36-Month	57.6°F (14.2°C)	54.2°F (12.3°C)	3.4°F (1.9°C)	125th Coolest	Coolest since: 2020	1906
	57.6°F (14.2°C)	54.2°F (12.3°C)	3.4°F (1.9°C)	1st Warmest	Warmest since: 2019	2018, 2019, 2021
	Ties: 2018, 2019
Aug 2017–Jul 2021 48-Month	57.3°F (14.1°C)	54.2°F (12.3°C)	3.1°F (1.8°C)	121st Coolest	Coolest since: 2018	1907
Aug 2017–Jul 2021 48-Month	57.3°F (14.1°C)	54.2°F (12.3°C)	3.1°F (1.8°C)	4th Warmest	Warmest since: 2020	2019
Aug 2016–Jul 2021 60-Month	57.5°F (14.2°C)	54.1°F (12.3°C)	3.4°F (1.9°C)	122nd Coolest	Coolest since: 2019	1908
Aug 2016–Jul 2021 60-Month	57.5°F (14.2°C)	54.1°F (12.3°C)	3.4°F (1.9°C)	2nd Warmest	Warmest since: 2020	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings