Climate at a Glance

Statewide 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 January 2021. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, May 2011

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 2011
1-Month
66.4°F
(19.1°C)
62.1°F
(16.7°C)
4.3°F
(2.4°C)
117th Coolest Coolest since: 2010 1967
10th Warmest Warmest since: 2004 2004
Ties: 1911
Apr–May 2011
2-Month
61.8°F
(16.6°C)
57.1°F
(13.9°C)
4.7°F
(2.7°C)
124th Coolest Coolest since: 2010 1907
3rd Warmest Warmest since: 2010 2019
Ties: 2010
Mar–May 2011
3-Month
55.8°F
(13.2°C)
52.3°F
(11.3°C)
3.5°F
(1.9°C)
119th Coolest Coolest since: 2009 1940
8th Warmest Warmest since: 2010 2012
Ties: 1945
Feb–May 2011
4-Month
51.6°F
(10.9°C)
47.8°F
(8.8°C)
3.8°F
(2.1°C)
119th Coolest Coolest since: 2010 1934
8th Warmest Warmest since: 2004 2012
Ties: 2004
Jan–May 2011
5-Month
47.3°F
(8.5°C)
44.9°F
(7.2°C)
2.4°F
(1.3°C)
110th Coolest Coolest since: 2010 1940
17th Warmest Warmest since: 2010 2012
Ties: 2010, 2018
Dec 2010–May 2011
6-Month
44.7°F
(7.1°C)
43.5°F
(6.4°C)
1.2°F
(0.7°C)
87th Coolest Coolest since: 2005 1904
39th Warmest Warmest since: 2010 2012
Ties: 1950
Nov 2010–May 2011
7-Month
45.1°F
(7.3°C)
43.8°F
(6.6°C)
1.3°F
(0.7°C)
93rd Coolest Coolest since: 2005 1904
33rd Warmest Warmest since: 2010 2012
Ties: 1933, 1986
Oct 2010–May 2011
8-Month
46.8°F
(8.2°C)
45.4°F
(7.4°C)
1.4°F
(0.8°C)
95th Coolest Coolest since: 2009 1904
31st Warmest Warmest since: 2010 2012
Ties: 1950, 1983, 1990
Sep 2010–May 2011
9-Month
49.5°F
(9.7°C)
47.8°F
(8.8°C)
1.7°F
(0.9°C)
100th Coolest Coolest since: 2009 1904, 1918
26th Warmest Warmest since: 2010 2012
Ties: 1942
Aug 2010–May 2011
10-Month
52.3°F
(11.3°C)
50.4°F
(10.2°C)
1.9°F
(1.1°C)
105th Coolest Coolest since: 2009 1904
21st Warmest Warmest since: 2010 2012
Ties: 1949, 1974
Jul 2010–May 2011
11-Month
54.8°F
(12.7°C)
52.7°F
(11.5°C)
2.1°F
(1.2°C)
110th Coolest Coolest since: 2010 1904
16th Warmest Warmest since: 2008 2012
Ties: 2004, 2007
Jun 2010–May 2011
12-Month
56.7°F
(13.7°C)
54.2°F
(12.3°C)
2.5°F
(1.4°C)
115th Coolest Coolest since: 2010 1904
11th Warmest Warmest since: 2008 2012
Ties: 1932
Dec 2009–May 2011
18-Month
53.0°F
(11.7°C)
50.6°F
(10.3°C)
2.4°F
(1.4°C)
113th Coolest Coolest since: 2010 1905
12th Warmest Warmest since: 2008 2017
Ties: 2007
Jun 2009–May 2011
24-Month
56.3°F
(13.5°C)
54.2°F
(12.3°C)
2.1°F
(1.2°C)
114th Coolest Coolest since: 2010 1905
11th Warmest Warmest since: 2009 2017
Ties: 1999, 2009
Jun 2008–May 2011
36-Month
56.1°F
(13.4°C)
54.2°F
(12.3°C)
1.9°F
(1.1°C)
111th Coolest Coolest since: 2006 1906
13th Warmest Warmest since: 2010 2018
Ties: 2002, 2004, 2006
Jun 2007–May 2011
48-Month
56.3°F
(13.5°C)
54.2°F
(12.3°C)
2.1°F
(1.2°C)
114th Coolest Coolest since: 2010 1907
9th Warmest Warmest since: 2009 2019, 2020
Ties: 2008, 2015
Jun 2006–May 2011
60-Month
56.3°F
(13.5°C)
54.2°F
(12.3°C)
2.1°F
(1.2°C)
111th Coolest Coolest since: 2009 1908
11th Warmest Warmest since: 2010 2020
Ties: 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2021, retrieved on February 25, 2021 from https://www.ncdc.noaa.gov/cag/