Climate at a Glance

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 May 2020. For more information, please see Climatological Rankings.


Wilmington, Delaware

Average Temperature Rankings, May 2009

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 2009
1-Month
63.4°F
(17.4°C)
62.7°F
(17.1°C)
0.7°F
(0.3°C)
45th Coolest Coolest since: 2008 1967
29th Warmest Warmest since: 2007 2004
Ties: 1949
Apr–May 2009
2-Month
59.0°F
(15.0°C)
58.0°F
(14.4°C)
1.0°F
(0.6°C)
58th Coolest Coolest since: 2008 1967
16th Warmest Warmest since: 2006 2019
Ties: 1977
Mar–May 2009
3-Month
53.4°F
(11.9°C)
53.0°F
(11.7°C)
0.4°F
(0.2°C)
51st Coolest Coolest since: 2008 1984
21st 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
22nd Warmest Warmest since: 2006 2012
Ties: 1957
Jan–May 2009
5-Month
45.0°F
(7.2°C)
45.3°F
(7.4°C)
-0.3°F
(-0.2°C)
38th Coolest Coolest since: 2005 1978
34th Warmest Warmest since: 2008 2012
Ties: 1959
Dec 2008–May 2009
6-Month
44.0°F
(6.7°C)
43.9°F
(6.6°C)
0.1°F
(0.1°C)
41st Coolest Coolest since: 2005 1978
30th Warmest Warmest since: 2008 2012
Nov 2008–May 2009
7-Month
44.2°F
(6.8°C)
44.3°F
(6.8°C)
-0.1°F
(0.0°C)
44th Coolest Coolest since: 2005 1978
26th Warmest Warmest since: 2008 2012
Oct 2008–May 2009
8-Month
45.6°F
(7.6°C)
45.7°F
(7.6°C)
-0.1°F
(0.0°C)
41st Coolest Coolest since: 2005 1978
29th Warmest Warmest since: 2008 2012
Ties: 1950, 1955
Sep 2008–May 2009
9-Month
48.3°F
(9.1°C)
48.2°F
(9.0°C)
0.1°F
(0.1°C)
44th Coolest Coolest since: 2005 1978
26th Warmest Warmest since: 2008 2012
Ties: 2011
Aug 2008–May 2009
10-Month
50.7°F
(10.4°C)
50.8°F
(10.4°C)
-0.1°F
(0.0°C)
41st Coolest Coolest since: 2005 1978
29th Warmest Warmest since: 2008 2012
Ties: 1990
Jul 2008–May 2009
11-Month
53.2°F
(11.8°C)
53.2°F
(11.8°C)
0.0°F
(0.0°C)
44th Coolest Coolest since: 2005 1963, 1978
26th Warmest Warmest since: 2008 2012
Ties: 1960, 1992
Jun 2008–May 2009
12-Month
55.1°F
(12.8°C)
54.8°F
(12.7°C)
0.3°F
(0.1°C)
48th Coolest Coolest since: 2005 1978
22nd Warmest Warmest since: 2008 2012
Ties: 2004, 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)
49th Coolest Coolest since: 2005 1979
18th Warmest Warmest since: 2008 2017
Ties: 1950, 1953, 1974, 2003
Jun 2007–May 2009
24-Month
55.6°F
(13.1°C)
54.7°F
(12.6°C)
0.9°F
(0.5°C)
56th Coolest Coolest since: 2006 1978
10th Warmest Warmest since: 2008 2017
Ties: 1992, 2016
Jun 2006–May 2009
36-Month
55.6°F
(13.1°C)
54.8°F
(12.7°C)
0.8°F
(0.4°C)
54th Coolest Coolest since: 2007 1979
8th Warmest Warmest since: 2008 2018
Ties: 2002
Jun 2005–May 2009
48-Month
55.9°F
(13.3°C)
54.7°F
(12.6°C)
1.2°F
(0.7°C)
54th Coolest Coolest since: 2008 1980
4th Warmest Warmest to Date 2019, 2020
Ties: 2012
Jun 2004–May 2009
60-Month
55.6°F
(13.1°C)
54.8°F
(12.7°C)
0.8°F
(0.4°C)
48th Coolest Coolest since: 2008 1967, 1970, 1981, 1982
7th Warmest Warmest since: 2008 2020
Ties: 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published June 2020, retrieved on July 5, 2020 from https://www.ncdc.noaa.gov/cag/