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 2021. For more information, please see Climatological Rankings.


Wilmington, Delaware

Average Temperature Rankings, April 2009

View Period (Months):All1234567891011121824364860
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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
April 2009
1-Month
54.5°F
(12.5°C)
53.4°F
(11.9°C)
1.1°F
(0.6°C)
52nd Coolest Coolest since: 2007 1975
23rd Warmest Warmest since: 2008 2017
Ties: 1969
Mar–Apr 2009
2-Month
48.4°F
(9.1°C)
48.3°F
(9.1°C)
0.1°F
(0.0°C)
42nd Coolest Coolest since: 2007 1984
31st Warmest Warmest since: 2008 2012
Feb–Apr 2009
3-Month
44.4°F
(6.9°C)
44.0°F
(6.7°C)
0.4°F
(0.2°C)
45th Coolest Coolest since: 2007 1978
28th Warmest Warmest since: 2008 2012
Jan–Apr 2009
4-Month
40.4°F
(4.7°C)
41.1°F
(5.1°C)
-0.7°F
(-0.4°C)
34th Coolest Coolest since: 2007 1978
39th Warmest Warmest since: 2008 1998, 2012
Ties: 1960, 1975, 2005
Dec 2008–Apr 2009
5-Month
40.1°F
(4.5°C)
40.4°F
(4.7°C)
-0.3°F
(-0.2°C)
41st Coolest Coolest since: 2005 1978
31st Warmest Warmest since: 2008 2012
Ties: 1975
Nov 2008–Apr 2009
6-Month
40.9°F
(4.9°C)
41.3°F
(5.2°C)
-0.4°F
(-0.3°C)
37th Coolest Coolest since: 2003 1978
34th Warmest Warmest since: 2008 2002
Oct 2008–Apr 2009
7-Month
43.0°F
(6.1°C)
43.4°F
(6.3°C)
-0.4°F
(-0.2°C)
34th Coolest Coolest since: 2004 1978
37th Warmest Warmest since: 2008 2002
Ties: 1980, 2004
Sep 2008–Apr 2009
8-Month
46.4°F
(8.0°C)
46.6°F
(8.1°C)
-0.2°F
(-0.1°C)
40th Coolest Coolest since: 2005 1970, 1978
31st Warmest Warmest since: 2008 2012, 2016, 2017
Ties: 1955, 1973, 2005
Aug 2008–Apr 2009
9-Month
49.3°F
(9.6°C)
49.7°F
(9.8°C)
-0.4°F
(-0.2°C)
32nd Coolest Coolest since: 2003 1970
39th Warmest Warmest since: 2008 2017
Ties: 1962
Jul 2008–Apr 2009
10-Month
52.2°F
(11.2°C)
52.5°F
(11.4°C)
-0.3°F
(-0.2°C)
39th Coolest Coolest since: 2005 1963, 1970
32nd Warmest Warmest since: 2008 2017
Ties: 1973
Jun 2008–Apr 2009
11-Month
54.3°F
(12.4°C)
54.3°F
(12.4°C)
0.0°F
(0.0°C)
42nd Coolest Coolest since: 2005 1963
29th Warmest Warmest since: 2008 2017
Ties: 1990
May 2008–Apr 2009
12-Month
54.8°F
(12.7°C)
55.0°F
(12.8°C)
-0.2°F
(-0.1°C)
39th Coolest Coolest since: 2004 1968
32nd Warmest Warmest since: 2008 2012
Ties: 1994
Nov 2007–Apr 2009
18-Month
50.7°F
(10.4°C)
50.4°F
(10.2°C)
0.3°F
(0.2°C)
45th Coolest Coolest since: 2005 1978
22nd Warmest Warmest since: 2008 2017
Ties: 1998
May 2007–Apr 2009
24-Month
55.7°F
(13.2°C)
55.0°F
(12.8°C)
0.7°F
(0.4°C)
55th Coolest Coolest since: 2006 1978
12th Warmest Warmest since: 2008 2017
Ties: 2006, 2016
May 2006–Apr 2009
36-Month
55.6°F
(13.1°C)
54.9°F
(12.7°C)
0.7°F
(0.4°C)
53rd Coolest Coolest since: 2007 1979
10th Warmest Warmest since: 2008 2018
Ties: 1992, 2007
May 2005–Apr 2009
48-Month
55.8°F
(13.2°C)
54.9°F
(12.7°C)
0.9°F
(0.5°C)
53rd Coolest Coolest since: 2007 1970
6th Warmest Warmest since: 2008 2019, 2020
Ties: 2002, 2012
May 2004–Apr 2009
60-Month
55.6°F
(13.1°C)
54.9°F
(12.7°C)
0.7°F
(0.4°C)
50th Coolest Coolest since: 2008 1965, 1970
6th Warmest Warmest since: 2002 2020
Ties: 2010, 2018

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published October 2021, retrieved on October 23, 2021 from https://www.ncdc.noaa.gov/cag/