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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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« March 1998

May 1998 »

Wilmington, Delaware

Average Temperature Rankings, April 1998

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
April 1998 1-Month	54.7°F (12.6°C)	53.4°F (11.9°C)	1.3°F (0.7°C)	61st Coolest	Coolest since: 1997	1975
				15th Warmest	Warmest since: 1994	2017
	Ties: 1969, 1977, 2008
Mar–Apr 1998 2-Month	49.9°F (9.9°C)	48.2°F (9.0°C)	1.7°F (0.9°C)	60th Coolest	Coolest since: 1997	1950
				14th Warmest	Warmest since: 1985	2012
	Ties: 2004, 2019
Feb–Apr 1998 3-Month	47.1°F (8.4°C)	43.9°F (6.6°C)	3.2°F (1.8°C)	70th Coolest	Coolest since: 1997	1978
				4th Warmest	Warmest since: 1976	2012
Jan–Apr 1998 4-Month	45.4°F (7.4°C)	41.1°F (5.1°C)	4.3°F (2.3°C)	72nd Coolest	Coolest since: 1997	1978
				2nd Warmest	Warmest to Date	2012
Dec 1997–Apr 1998 5-Month	43.9°F (6.6°C)	40.2°F (4.6°C)	3.7°F (2.0°C)	70th Coolest	Coolest since: 1997	1978
				3rd Warmest	Warmest to Date	2012
	Ties: 2016
Nov 1997–Apr 1998 6-Month	43.9°F (6.6°C)	41.2°F (5.1°C)	2.7°F (1.5°C)	67th Coolest	Coolest since: 1997	1978
				5th Warmest	Warmest to Date	2002, 2012
Oct 1997–Apr 1998 7-Month	45.7°F (7.6°C)	43.4°F (6.3°C)	2.3°F (1.3°C)	66th Coolest	Coolest since: 1997	1978
				6th Warmest	Warmest to Date	2002
Sep 1997–Apr 1998 8-Month	48.2°F (9.0°C)	46.4°F (8.0°C)	1.8°F (1.0°C)	63rd Coolest	Coolest since: 1997	1978
				9th Warmest	Warmest since: 1991	2012, 2016, 2017
	Ties: 1976, 1991, 1999
Aug 1997–Apr 1998 9-Month	51.0°F (10.6°C)	49.7°F (9.8°C)	1.3°F (0.8°C)	58th Coolest	Coolest since: 1997	1963, 1978
				14th Warmest	Warmest since: 1991	2017
Jul 1997–Apr 1998 10-Month	53.5°F (11.9°C)	52.3°F (11.3°C)	1.2°F (0.6°C)	57th Coolest	Coolest since: 1997	1963
				15th Warmest	Warmest since: 1991	2017
Jun 1997–Apr 1998 11-Month	55.0°F (12.8°C)	54.1°F (12.3°C)	0.9°F (0.5°C)	56th Coolest	Coolest since: 1997	1963
				16th Warmest	Warmest since: 1995	2017
	Ties: 1995
May 1997–Apr 1998 12-Month	55.4°F (13.0°C)	54.9°F (12.7°C)	0.5°F (0.3°C)	52nd Coolest	Coolest since: 1997	1963
				20th Warmest	Warmest since: 1992	2012
	Ties: 1983
Nov 1996–Apr 1998 18-Month	50.6°F (10.3°C)	50.3°F (10.2°C)	0.3°F (0.1°C)	44th Coolest	Coolest since: 1997	1978, 1979
				24th Warmest	Warmest since: 1992	2017
May 1996–Apr 1998 24-Month	54.9°F (12.7°C)	54.9°F (12.7°C)	0.0°F (0.0°C)	45th Coolest	Coolest since: 1997	1978
				23rd Warmest	Warmest since: 1995	2017
	Ties: 1974, 2001
May 1995–Apr 1998 36-Month	54.7°F (12.6°C)	54.9°F (12.7°C)	-0.2°F (-0.1°C)	37th Coolest	Coolest since: 1997	1979
				27th Warmest	Warmest since: 1996	2022
	Ties: 1985, 1996
May 1994–Apr 1998 48-Month	54.8°F (12.7°C)	54.8°F (12.7°C)	0.0°F (0.0°C)	38th Coolest	Coolest since: 1997	1964
				22nd Warmest	Warmest since: 1994	2022
	Ties: 1974, 1993, 1994, 2004
May 1993–Apr 1998 60-Month	54.8°F (12.7°C)	54.8°F (12.7°C)	0.0°F (0.0°C)	36th Coolest	Coolest since: 1997	1965
				21st Warmest	Warmest since: 1995	2020
	Ties: 1992, 1994, 2005

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/