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 September 2019. 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
(1948-2019)
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)
41st Coolest Coolest since: 2008 1967
32nd Warmest Warmest since: 2007 1991
Apr–May 2009
2-Month
59.0°F
(15.0°C)
58.0°F
(14.4°C)
1.0°F
(0.6°C)
53rd Coolest Coolest since: 2008 1967
20th Warmest Warmest since: 2006 2019
Ties: 1953
Mar–May 2009
3-Month
53.4°F
(11.9°C)
53.0°F
(11.7°C)
0.4°F
(0.2°C)
49th Coolest Coolest since: 2008 1967
22nd Warmest Warmest since: 2006 2012
Ties: 1979, 1983, 1990
Feb–May 2009
4-Month
49.2°F
(9.6°C)
48.6°F
(9.2°C)
0.6°F
(0.4°C)
48th Coolest Coolest since: 2008 1978
23rd Warmest Warmest since: 2006 2012
Jan–May 2009
5-Month
45.0°F
(7.2°C)
45.3°F
(7.4°C)
-0.3°F
(-0.2°C)
39th Coolest Coolest since: 2005 1978
32nd Warmest Warmest since: 2008 2012
Ties: 1992, 2001
Dec 2008–May 2009
6-Month
44.0°F
(6.7°C)
44.0°F
(6.7°C)
0.0°F
(0.0°C)
41st Coolest Coolest since: 2005 1978
29th Warmest Warmest since: 2008 2012
Ties: 1992
Nov 2008–May 2009
7-Month
44.2°F
(6.8°C)
44.3°F
(6.8°C)
-0.1°F
(0.0°C)
39th Coolest Coolest since: 2005 1978
30th Warmest Warmest since: 2008 2012
Oct 2008–May 2009
8-Month
45.6°F
(7.6°C)
45.8°F
(7.7°C)
-0.2°F
(-0.1°C)
36th Coolest Coolest since: 2005 1978
33rd Warmest Warmest since: 2008 2012
Sep 2008–May 2009
9-Month
48.3°F
(9.1°C)
48.3°F
(9.1°C)
0.0°F
(0.0°C)
40th Coolest Coolest since: 2005 1978
29th Warmest Warmest since: 2008 2012
Ties: 1992, 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)
34th Coolest Coolest since: 2005 1978
35th Warmest Warmest since: 2008 2012
Jul 2008–May 2009
11-Month
53.2°F
(11.8°C)
53.2°F
(11.8°C)
0.0°F
(0.0°C)
39th Coolest Coolest since: 2005 1963
30th Warmest Warmest since: 2008 2012
Ties: 1962, 1975, 1990
Jun 2008–May 2009
12-Month
55.1°F
(12.8°C)
54.9°F
(12.7°C)
0.2°F
(0.1°C)
45th Coolest Coolest since: 2005 1963, 1978
24th Warmest Warmest since: 2008 2012
Ties: 1950, 1972, 1992, 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)
45th Coolest Coolest since: 2005 1979
21st 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)
54th Coolest Coolest since: 2006 1978
11th Warmest Warmest since: 2008 2017
Ties: 1954, 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
7th Warmest Warmest since: 2008 2018
Jun 2005–May 2009
48-Month
55.8°F
(13.2°C)
54.8°F
(12.7°C)
1.0°F
(0.5°C)
53rd Coolest Coolest since: 2008 1964, 1966, 1968, 1970, 1980
4th Warmest Warmest to Date 2019
Jun 2004–May 2009
60-Month
55.4°F
(13.0°C)
54.7°F
(12.6°C)
0.7°F
(0.4°C)
47th Coolest Coolest since: 2008 1967, 1970
7th Warmest Warmest since: 2008 2019
Ties: 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published October 2019, retrieved on October 19, 2019 from https://www.ncdc.noaa.gov/cag/