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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

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City: Wilmington

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« April 1988

June 1988 »

Wilmington, Delaware

Average Temperature Rankings, May 1988

View Period (Months):All1234567891011121824364860

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• Record Coolest
• Bottom 1/10
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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 1988 1-Month	62.3°F (16.8°C)	62.8°F (17.1°C)	-0.5°F (-0.3°C)	35th Coolest	Coolest since: 1984	1967
				41st Warmest	Warmest since: 1987	2004
Apr–May 1988 2-Month	56.3°F (13.5°C)	58.1°F (14.5°C)	-1.8°F (-1.0°C)	16th Coolest	Coolest since: 1984	1967
				60th Warmest	Warmest since: 1987	2019
	Ties: 1989
Mar–May 1988 3-Month	52.1°F (11.2°C)	53.1°F (11.7°C)	-1.0°F (-0.5°C)	26th Coolest	Coolest since: 1984	1950
				48th Warmest	Warmest since: 1987	2012
Feb–May 1988 4-Month	47.6°F (8.7°C)	48.6°F (9.2°C)	-1.0°F (-0.5°C)	33rd Coolest	Coolest since: 1987	1978
				41st Warmest	Warmest since: 1985	2012
	Ties: 1975
Jan–May 1988 5-Month	43.5°F (6.4°C)	45.4°F (7.4°C)	-1.9°F (-1.0°C)	21st Coolest	Coolest since: 1984	1978
				53rd Warmest	Warmest since: 1987	2012
Dec 1987–May 1988 6-Month	42.6°F (5.9°C)	44.0°F (6.7°C)	-1.4°F (-0.8°C)	26th Coolest	Coolest since: 1984	1978
				47th Warmest	Warmest since: 1987	2012
	Ties: 2015
Nov 1987–May 1988 7-Month	43.2°F (6.2°C)	44.3°F (6.8°C)	-1.1°F (-0.6°C)	29th Coolest	Coolest since: 1987	1978
				43rd Warmest	Warmest since: 1985	2012
	Ties: 1950
Oct 1987–May 1988 8-Month	44.2°F (6.8°C)	45.8°F (7.7°C)	-1.6°F (-0.9°C)	17th Coolest	Coolest since: 1984	1978
				55th Warmest	Warmest since: 1987	2012
	Ties: 1994
Sep 1987–May 1988 9-Month	46.8°F (8.2°C)	48.2°F (9.0°C)	-1.4°F (-0.8°C)	19th Coolest	Coolest since: 1984	1978
				53rd Warmest	Warmest since: 1987	2012
	Ties: 1959, 1965, 1994, 2014
Aug 1987–May 1988 10-Month	49.5°F (9.7°C)	51.0°F (10.6°C)	-1.5°F (-0.9°C)	18th Coolest	Coolest since: 1984	1963, 1978
				54th Warmest	Warmest since: 1987	2012
	Ties: 2003
Jul 1987–May 1988 11-Month	52.1°F (11.2°C)	53.3°F (11.8°C)	-1.2°F (-0.6°C)	18th Coolest	Coolest since: 1987	1963
				54th Warmest	Warmest since: 1987	2012
	Ties: 1956, 1987, 2003
Jun 1987–May 1988 12-Month	53.9°F (12.2°C)	54.9°F (12.7°C)	-1.0°F (-0.5°C)	22nd Coolest	Coolest since: 1987	1963
				50th Warmest	Warmest since: 1985	2012
	Ties: 1989, 2014, 2015
Dec 1986–May 1988 18-Month	50.2°F (10.1°C)	51.2°F (10.7°C)	-1.0°F (-0.6°C)	21st Coolest	Coolest since: 1982	1979
				48th Warmest	Warmest since: 1985	2017
	Ties: 1977
Jun 1986–May 1988 24-Month	53.8°F (12.1°C)	54.9°F (12.7°C)	-1.1°F (-0.6°C)	16th Coolest	Coolest since: 1982	1978
				52nd Warmest	Warmest since: 1985	2017
	Ties: 1951, 1980
Jun 1985–May 1988 36-Month	--	0.0°F (-17.8°C)	--	--	--	1979
				--	--	2022
	Ties: 1952, 1953, 1954, 1986, 1987, 2013, 2014, 2015
Jun 1984–May 1988 48-Month	--	0.0°F (-17.8°C)	--	--	--	1966
				--	--	2019, 2020, 2022
	Ties: 1986, 1987, 1989, 2013, 2014, 2015, 2016
Jun 1983–May 1988 60-Month	--	0.0°F (-17.8°C)	--	--	--	1967
				--	--	2020
	Ties: 1986, 1987, 1989, 1990, 2013, 2014, 2015, 2016, 2017

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, Average Temperature, published September 2022, retrieved on October 5, 2022 from https://www.ncdc.noaa.gov/cag/