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 August 2021. For more information, please see Climatological Rankings.


Wilmington, Delaware

Average Temperature Rankings, June 2009

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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
June 2009
1-Month
70.5°F
(21.4°C)
72.2°F
(22.3°C)
-1.7°F
(-0.9°C)
15th Coolest Coolest since: 2004 1972
60th Warmest Warmest since: 2008 2010
Ties: 2004
May–Jun 2009
2-Month
67.0°F
(19.4°C)
67.5°F
(19.7°C)
-0.5°F
(-0.3°C)
32nd Coolest Coolest since: 2005 1967
43rd Warmest Warmest since: 2008 2010
Ties: 2002, 2016
Apr–Jun 2009
3-Month
62.8°F
(17.1°C)
62.7°F
(17.1°C)
0.1°F
(0.0°C)
45th Coolest Coolest since: 2007 1967, 1972
30th Warmest Warmest since: 2008 2010
Ties: 1954, 1986, 1999, 2007
Mar–Jun 2009
4-Month
57.7°F
(14.3°C)
57.8°F
(14.3°C)
-0.1°F
(0.0°C)
41st Coolest Coolest since: 2005 1950
32nd Warmest Warmest since: 2008 2010
Feb–Jun 2009
5-Month
53.4°F
(11.9°C)
53.2°F
(11.8°C)
0.2°F
(0.1°C)
46th Coolest Coolest since: 2007 1978
27th Warmest Warmest since: 2008 2012
Ties: 1952, 1959, 2001
Jan–Jun 2009
6-Month
49.3°F
(9.6°C)
49.8°F
(9.9°C)
-0.5°F
(-0.3°C)
38th Coolest Coolest since: 2005 1978
35th Warmest Warmest since: 2008 2012
Ties: 1974
Dec 2008–Jun 2009
7-Month
47.8°F
(8.8°C)
48.0°F
(8.9°C)
-0.2°F
(-0.1°C)
43rd Coolest Coolest since: 2005 1978
29th Warmest Warmest since: 2008 2012
Ties: 1997, 2004, 2011
Nov 2008–Jun 2009
8-Month
47.4°F
(8.6°C)
47.7°F
(8.7°C)
-0.3°F
(-0.1°C)
40th Coolest Coolest since: 2005 1978
31st Warmest Warmest since: 2008 2012
Ties: 1993
Oct 2008–Jun 2009
9-Month
48.4°F
(9.1°C)
48.7°F
(9.3°C)
-0.3°F
(-0.2°C)
42nd Coolest Coolest since: 2005 1978
29th Warmest Warmest since: 2008 2012
Sep 2008–Jun 2009
10-Month
50.5°F
(10.3°C)
50.6°F
(10.3°C)
-0.1°F
(0.0°C)
43rd Coolest Coolest since: 2005 1978
28th Warmest Warmest since: 2008 2012
Ties: 1960, 1990
Aug 2008–Jun 2009
11-Month
52.5°F
(11.4°C)
52.8°F
(11.6°C)
-0.3°F
(-0.2°C)
41st Coolest Coolest since: 2005 1963
30th Warmest Warmest since: 2008 2012, 2017
Ties: 1969, 1992
Jul 2008–Jun 2009
12-Month
54.7°F
(12.6°C)
54.8°F
(12.7°C)
-0.1°F
(-0.1°C)
43rd Coolest Coolest since: 2005 1963
28th Warmest Warmest since: 2008 2012
Jan 2008–Jun 2009
18-Month
53.5°F
(11.9°C)
53.1°F
(11.7°C)
0.4°F
(0.2°C)
49th Coolest Coolest since: 2005 1979
20th Warmest Warmest since: 2008 2012, 2017
Ties: 1974, 1976, 2010
Jul 2007–Jun 2009
24-Month
55.5°F
(13.1°C)
54.8°F
(12.7°C)
0.7°F
(0.4°C)
56th Coolest Coolest since: 2006 1978
11th Warmest Warmest since: 2008 2017
Ties: 1991, 1992, 2011, 2016
Jul 2006–Jun 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
9th Warmest Warmest since: 2008 2018
Ties: 2010
Jul 2005–Jun 2009
48-Month
55.8°F
(13.2°C)
54.7°F
(12.6°C)
1.1°F
(0.6°C)
53rd Coolest Coolest since: 2008 1966
6th Warmest Warmest to Date 2019, 2020
Jul 2004–Jun 2009
60-Month
55.5°F
(13.1°C)
54.8°F
(12.7°C)
0.7°F
(0.4°C)
47th Coolest Coolest since: 2007 1967
9th Warmest Warmest since: 2008 2020
Ties: 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published September 2021, retrieved on September 24, 2021 from https://www.ncdc.noaa.gov/cag/