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City Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of August 2022. For more information, please see Climatological Rankings.

Parameter: Average Temperature Maximum Temperature Minimum Temperature Precipitation Cooling Degree Days Heating Degree Days Palmer Drought Severity Index (PDSI) Palmer Hydrological Drought Index (PHDI) Palmer Modified Drought Index (PMDI) Palmer Z-Index

Year: 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Month: January February March April May June July August September October November December

State: Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington Washington, D.C. West Virginia Wisconsin Wyoming

City: Wilmington

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« April 2009

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Wilmington, Delaware

Average Temperature Rankings, May 2009

View Period (Months):All1234567891011121824364860

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• Record Coolest
• Bottom 1/10
• Bottom 1/3
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• Top 1/3
• Top 1/10
• Record Warmest

Period	Value	1981-2010 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 2009 1-Month	63.4°F (17.4°C)	62.8°F (17.1°C)	0.6°F (0.3°C)	45th Coolest	Coolest since: 2008	1967
				31st Warmest	Warmest since: 2007	2004
	Ties: 1999, 2006
Apr–May 2009 2-Month	59.0°F (15.0°C)	58.1°F (14.5°C)	0.9°F (0.5°C)	58th Coolest	Coolest since: 2008	1967
				18th Warmest	Warmest since: 2006	2019
	Ties: 2002
Mar–May 2009 3-Month	53.4°F (11.9°C)	53.1°F (11.7°C)	0.3°F (0.2°C)	50th Coolest	Coolest since: 2008	1950
				24th Warmest	Warmest since: 2006	2012
Feb–May 2009 4-Month	49.2°F (9.6°C)	48.6°F (9.2°C)	0.6°F (0.4°C)	50th Coolest	Coolest since: 2008	1978
				24th Warmest	Warmest since: 2006	2012
	Ties: 1955
Jan–May 2009 5-Month	45.0°F (7.2°C)	45.4°F (7.4°C)	-0.4°F (-0.2°C)	38th Coolest	Coolest since: 2005	1978
				36th Warmest	Warmest since: 2008	2012
	Ties: 1997
Dec 2008–May 2009 6-Month	44.0°F (6.7°C)	44.0°F (6.7°C)	0.0°F (0.0°C)	40th Coolest	Coolest since: 2005	1978
				33rd Warmest	Warmest since: 2008	2012
Nov 2008–May 2009 7-Month	44.2°F (6.8°C)	44.4°F (6.9°C)	-0.2°F (-0.1°C)	43rd Coolest	Coolest since: 2005	1978
				29th Warmest	Warmest since: 2008	2012
	Ties: 1973, 1980, 1992
Oct 2008–May 2009 8-Month	45.6°F (7.6°C)	45.8°F (7.7°C)	-0.2°F (-0.1°C)	41st Coolest	Coolest since: 2005	1978
				31st Warmest	Warmest since: 2008	2012
	Ties: 1955
Sep 2008–May 2009 9-Month	48.3°F (9.1°C)	48.3°F (9.1°C)	0.0°F (0.0°C)	44th Coolest	Coolest since: 2005	1978
				28th Warmest	Warmest since: 2008	2012
	Ties: 2011
Aug 2008–May 2009 10-Month	50.7°F (10.4°C)	50.9°F (10.5°C)	-0.2°F (-0.1°C)	40th Coolest	Coolest since: 2005	1963, 1978
				32nd Warmest	Warmest since: 2008	2012
	Ties: 1957, 1980
Jul 2008–May 2009 11-Month	53.2°F (11.8°C)	53.3°F (11.8°C)	-0.1°F (0.0°C)	42nd Coolest	Coolest since: 2005	1963
				30th Warmest	Warmest since: 2008	2012
	Ties: 1992
Jun 2008–May 2009 12-Month	55.1°F (12.8°C)	54.9°F (12.7°C)	0.2°F (0.1°C)	48th Coolest	Coolest since: 2005	1963
				24th Warmest	Warmest since: 2008	2012
	Ties: 1949, 1954, 1983, 2010
Dec 2007–May 2009 18-Month	51.7°F (10.9°C)	51.2°F (10.7°C)	0.5°F (0.2°C)	46th Coolest	Coolest since: 2005	1979
				23rd Warmest	Warmest since: 2008	2017
Jun 2007–May 2009 24-Month	55.6°F (13.1°C)	54.8°F (12.7°C)	0.8°F (0.4°C)	56th Coolest	Coolest since: 2006	1978
				12th Warmest	Warmest since: 2008	2017
	Ties: 1991, 1992, 2006, 2016
Jun 2006–May 2009 36-Month	55.7°F (13.2°C)	54.9°F (12.7°C)	0.8°F (0.5°C)	54th Coolest	Coolest since: 2007	1979
				10th Warmest	Warmest since: 2008	2022
Jun 2005–May 2009 48-Month	56.0°F (13.3°C)	54.8°F (12.7°C)	1.2°F (0.6°C)	54th Coolest	Coolest since: 2008	1966
				6th Warmest	Warmest to Date	2019, 2020, 2022
Jun 2004–May 2009 60-Month	55.6°F (13.1°C)	54.8°F (12.7°C)	0.8°F (0.4°C)	47th Coolest	Coolest since: 2007	1967
				10th Warmest	Warmest since: 2008	2020

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, Average Temperature, published September 2022, retrieved on September 29, 2022 from https://www.ncdc.noaa.gov/cag/