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


Wilmington, Delaware

Average Temperature Rankings, May 2009

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
May 2009
1-Month
63.4°F
(17.4°C)
63.0°F
(17.2°C)
0.4°F
(0.2°C)
42nd Coolest Coolest since: 2008 1967
33rd Warmest Warmest since: 2007 1991, 2004
Ties: 2001, 2006
Apr–May 2009
2-Month
59.0°F
(15.0°C)
58.3°F
(14.6°C)
0.7°F
(0.4°C)
53rd Coolest Coolest since: 2008 1967
22nd Warmest Warmest since: 2006 2019
Ties: 1981, 1994
Mar–May 2009
3-Month
53.4°F
(11.9°C)
53.2°F
(11.8°C)
0.2°F
(0.1°C)
43rd Coolest Coolest since: 2008 1984
30th Warmest Warmest since: 2006 2012
Ties: 1968, 1980
Feb–May 2009
4-Month
49.2°F
(9.6°C)
48.8°F
(9.3°C)
0.4°F
(0.3°C)
46th Coolest Coolest since: 2008 1978
27th Warmest Warmest since: 2006 2012
Ties: 1981, 1999
Jan–May 2009
5-Month
45.0°F
(7.2°C)
45.5°F
(7.5°C)
-0.5°F
(-0.3°C)
31st Coolest Coolest since: 2005 1978
42nd Warmest Warmest since: 2008 2012
Ties: 1960, 1989
Dec 2008–May 2009
6-Month
44.0°F
(6.7°C)
44.2°F
(6.8°C)
-0.2°F
(-0.1°C)
37th Coolest Coolest since: 2005 1978
35th Warmest Warmest since: 2008 2012
Ties: 1960
Nov 2008–May 2009
7-Month
44.2°F
(6.8°C)
44.6°F
(7.0°C)
-0.4°F
(-0.2°C)
37th Coolest Coolest since: 2005 1978
34th Warmest Warmest since: 2008 2012
Ties: 1972, 1993
Oct 2008–May 2009
8-Month
45.6°F
(7.6°C)
46.0°F
(7.8°C)
-0.4°F
(-0.2°C)
34th Coolest Coolest since: 2005 1978
37th Warmest Warmest since: 2008 2012
Ties: 1973
Sep 2008–May 2009
9-Month
48.3°F
(9.1°C)
48.5°F
(9.2°C)
-0.2°F
(-0.1°C)
35th Coolest Coolest since: 2005 1978
36th Warmest Warmest since: 2008 2012
Ties: 1975, 1980, 2011
Aug 2008–May 2009
10-Month
50.7°F
(10.4°C)
51.1°F
(10.6°C)
-0.4°F
(-0.2°C)
31st Coolest Coolest since: 2005 1978
40th Warmest Warmest since: 2008 2012
Ties: 1971
Jul 2008–May 2009
11-Month
53.2°F
(11.8°C)
53.5°F
(11.9°C)
-0.3°F
(-0.1°C)
31st Coolest Coolest since: 2005 1963, 1978
40th Warmest Warmest since: 2008 2012
Ties: 1956, 1969, 1973
Jun 2008–May 2009
12-Month
55.1°F
(12.8°C)
55.1°F
(12.8°C)
0.0°F
(0.0°C)
39th Coolest Coolest since: 2005 1978
32nd Warmest Warmest since: 2008 2012
Ties: 1962, 2010
Dec 2007–May 2009
18-Month
51.7°F
(10.9°C)
51.4°F
(10.8°C)
0.3°F
(0.1°C)
43rd Coolest Coolest since: 2005 1979
25th Warmest Warmest since: 2008 2017
Jun 2007–May 2009
24-Month
55.6°F
(13.1°C)
55.0°F
(12.8°C)
0.6°F
(0.3°C)
51st Coolest Coolest since: 2006 1978
16th Warmest Warmest since: 2008 2017
Ties: 2006, 2016
Jun 2006–May 2009
36-Month
55.6°F
(13.1°C)
55.0°F
(12.8°C)
0.6°F
(0.3°C)
52nd Coolest Coolest since: 2007 1979
11th Warmest Warmest since: 2008 2018
Ties: 1976, 1992, 1999, 2007
Jun 2005–May 2009
48-Month
56.0°F
(13.3°C)
55.1°F
(12.8°C)
0.9°F
(0.5°C)
54th Coolest Coolest since: 2008 1980
5th Warmest Warmest to Date 2019, 2020
Jun 2004–May 2009
60-Month
55.6°F
(13.1°C)
55.0°F
(12.8°C)
0.6°F
(0.3°C)
47th Coolest Coolest since: 2007 1981
9th Warmest Warmest since: 2008 2020
Ties: 1957

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published July 2021, retrieved on August 3, 2021 from https://www.ncdc.noaa.gov/cag/