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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 1997

June 1997 »

Wilmington, Delaware

Average Temperature Rankings, May 1997

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 1997 1-Month	59.1°F (15.1°C)	62.8°F (17.1°C)	-3.7°F (-2.0°C)	4th Coolest	Coolest since: 1967	1967
				72nd Warmest	Warmest since: 1996	2004
Apr–May 1997 2-Month	54.9°F (12.7°C)	58.0°F (14.4°C)	-3.1°F (-1.7°C)	5th Coolest	Coolest since: 1967	1967
				71st Warmest	Warmest since: 1996	2019
	Ties: 1956
Mar–May 1997 3-Month	51.2°F (10.7°C)	53.1°F (11.7°C)	-1.9°F (-1.0°C)	14th Coolest	Coolest since: 1996	1950
				60th Warmest	Warmest since: 1995	2012
Feb–May 1997 4-Month	48.2°F (9.0°C)	48.6°F (9.2°C)	-0.4°F (-0.2°C)	40th Coolest	Coolest since: 1996	1978
				34th Warmest	Warmest since: 1991	2012
	Ties: 1973, 1974
Jan–May 1997 5-Month	45.0°F (7.2°C)	45.4°F (7.4°C)	-0.4°F (-0.2°C)	38th Coolest	Coolest since: 1996	1978
				36th Warmest	Warmest since: 1995	2012
	Ties: 2009
Dec 1996–May 1997 6-Month	44.1°F (6.7°C)	44.0°F (6.7°C)	0.1°F (0.0°C)	43rd Coolest	Coolest since: 1996	1978
				30th Warmest	Warmest since: 1995	2012
	Ties: 1990, 2018
Nov 1996–May 1997 7-Month	43.6°F (6.4°C)	44.3°F (6.8°C)	-0.7°F (-0.4°C)	33rd Coolest	Coolest since: 1996	1978
				39th Warmest	Warmest since: 1995	2012
	Ties: 1972, 2005
Oct 1996–May 1997 8-Month	45.1°F (7.3°C)	45.8°F (7.7°C)	-0.7°F (-0.4°C)	32nd Coolest	Coolest since: 1996	1978
				40th Warmest	Warmest since: 1995	2012
	Ties: 2005
Sep 1996–May 1997 9-Month	47.7°F (8.7°C)	48.3°F (9.1°C)	-0.6°F (-0.4°C)	31st Coolest	Coolest since: 1996	1978
				41st Warmest	Warmest since: 1995	2012
	Ties: 1969, 1973
Aug 1996–May 1997 10-Month	50.3°F (10.2°C)	50.9°F (10.5°C)	-0.6°F (-0.3°C)	30th Coolest	Coolest since: 1996	1963, 1978
				42nd Warmest	Warmest since: 1995	2012
Jul 1996–May 1997 11-Month	52.5°F (11.4°C)	53.3°F (11.8°C)	-0.8°F (-0.4°C)	27th Coolest	Coolest since: 1996	1963
				45th Warmest	Warmest since: 1995	2012
	Ties: 1994
Jun 1996–May 1997 12-Month	54.3°F (12.4°C)	54.9°F (12.7°C)	-0.6°F (-0.3°C)	33rd Coolest	Coolest since: 1996	1963
				39th Warmest	Warmest since: 1995	2012
	Ties: 1962, 1971
Dec 1995–May 1997 18-Month	50.0°F (10.0°C)	51.2°F (10.7°C)	-1.2°F (-0.7°C)	17th Coolest	Coolest since: 1982	1979
				52nd Warmest	Warmest since: 1996	2017
	Ties: 2015
Jun 1995–May 1997 24-Month	54.2°F (12.3°C)	54.9°F (12.7°C)	-0.7°F (-0.4°C)	28th Coolest	Coolest since: 1994	1978
				40th Warmest	Warmest since: 1996	2017
Jun 1994–May 1997 36-Month	54.6°F (12.6°C)	54.8°F (12.7°C)	-0.2°F (-0.1°C)	35th Coolest	Coolest since: 1996	1979
				29th Warmest	Warmest since: 1996	2022
	Ties: 1975, 1996
Jun 1993–May 1997 48-Month	54.5°F (12.5°C)	54.8°F (12.7°C)	-0.3°F (-0.2°C)	28th Coolest	Coolest since: 1996	1966
				32nd Warmest	Warmest since: 1995	2019, 2020, 2022
Jun 1992–May 1997 60-Month	54.3°F (12.4°C)	54.8°F (12.7°C)	-0.5°F (-0.3°C)	25th Coolest	Coolest since: 1985	1967
				32nd Warmest	Warmest since: 1996	2020

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, Average Temperature, published September 2022, retrieved on October 4, 2022 from https://www.ncdc.noaa.gov/cag/