City Rankings

City Data Info
Please note, Degree Days and Palmer Indices are not available for Cities.

Wilmington, Delaware

Average Temperature Rankings, May 2009

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  • Record Coolest
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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 2009
1-Month
63.4°F
(17.4°C)
62.9°F
(17.2°C)
0.5°F
(0.2°C)
42nd Coolest
Coolest since:
1967
34th Warmest
Warmest since:
2004
Ties: 2006
Apr–May 2009
2-Month
59.0°F
(15.0°C)
58.2°F
(14.6°C)
0.8°F
(0.4°C)
58th Coolest
Coolest since:
1967
18th Warmest
Warmest since:
2019
Ties: 1957, 1960, 1969
Mar–May 2009
3-Month
53.4°F
(11.9°C)
53.1°F
(11.7°C)
0.3°F
(0.2°C)
48th Coolest
Coolest since:
1967
26th Warmest
Warmest since:
2012
Ties: 1983
Feb–May 2009
4-Month
49.2°F
(9.6°C)
48.7°F
(9.3°C)
0.5°F
(0.3°C)
48th Coolest
Coolest since:
1978
26th Warmest
Warmest since:
2012
Jan–May 2009
5-Month
45.0°F
(7.2°C)
45.4°F
(7.4°C)
-0.4°F
(-0.2°C)
36th Coolest
Coolest since:
1978
38th Warmest
Warmest since:
2012
Dec 2008–May 2009
6-Month
44.0°F
(6.7°C)
44.1°F
(6.7°C)
-0.1°F
(0.0°C)
40th Coolest
Coolest since:
1978
33rd Warmest
Warmest since:
2012
Nov 2008–May 2009
7-Month
44.2°F
(6.8°C)
44.4°F
(6.9°C)
-0.2°F
(-0.1°C)
41st Coolest
Coolest since:
1978
31st Warmest
Warmest since:
2012
Ties: 1990, 1992
Oct 2008–May 2009
8-Month
45.6°F
(7.6°C)
45.9°F
(7.7°C)
-0.3°F
(-0.1°C)
38th Coolest
Coolest since:
1978
34th Warmest
Warmest since:
2012
Ties: 1960, 1980
Sep 2008–May 2009
9-Month
48.3°F
(9.1°C)
48.4°F
(9.1°C)
-0.1°F
(0.0°C)
42nd Coolest
Coolest since:
1978
30th Warmest
Warmest since:
2012
Ties: 1955, 1990, 2011
Aug 2008–May 2009
10-Month
50.7°F
(10.4°C)
51.0°F
(10.6°C)
-0.3°F
(-0.2°C)
34th Coolest
Coolest since:
1978
38th Warmest
Warmest since:
2012
Ties: 1962
Jul 2008–May 2009
11-Month
53.2°F
(11.8°C)
53.4°F
(11.9°C)
-0.2°F
(-0.1°C)
40th Coolest
Coolest since:
1963
32nd Warmest
Warmest since:
2012
Ties: 1955
Jun 2008–May 2009
12-Month
55.1°F
(12.8°C)
55.0°F
(12.8°C)
0.1°F
(0.0°C)
45th Coolest
Coolest since:
1963, 1978
27th Warmest
Warmest since:
2012
Ties: 1950, 1960, 2010
Dec 2007–May 2009
18-Month
51.7°F
(10.9°C)
51.3°F
(10.7°C)
0.4°F
(0.2°C)
45th Coolest
Coolest since:
1978, 1979
24th Warmest
Warmest since:
2017
Ties: 2003
Jun 2007–May 2009
24-Month
55.6°F
(13.1°C)
54.9°F
(12.7°C)
0.7°F
(0.4°C)
55th Coolest
Coolest since:
1978
13th Warmest
Warmest since:
2017
Ties: 1991, 2006, 2016
Jun 2006–May 2009
36-Month
55.7°F
(13.2°C)
55.0°F
(12.8°C)
0.7°F
(0.4°C)
54th Coolest
Coolest since:
1979
10th Warmest
Warmest since:
2022
Ties: 2002, 2007
Jun 2005–May 2009
48-Month
56.0°F
(13.3°C)
54.9°F
(12.7°C)
1.1°F
(0.6°C)
54th Coolest
Coolest since:
1964, 1966, 1970, 1980
6th Warmest
Warmest to Date
2019, 2020, 2022
Jun 2004–May 2009
60-Month
55.7°F
(13.2°C)
54.9°F
(12.7°C)
0.8°F
(0.5°C)
49th Coolest
Coolest since:
1967, 1970
8th Warmest
Warmest since:
2020
Ties: 2008, 2018

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