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 August 2022. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, May 2009

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 2009
1-Month
63.8°F
(17.7°C)
62.1°F
(16.7°C)
1.7°F
(1.0°C)
94th Coolest Coolest since: 2008 1967
35th Warmest Warmest since: 2007 2004
Ties: 1939, 1943, 1957, 1979, 1993
Apr–May 2009
2-Month
59.4°F
(15.2°C)
57.1°F
(13.9°C)
2.3°F
(1.3°C)
109th Coolest Coolest since: 2008 1907
20th Warmest Warmest since: 2006 2019
Ties: 1955
Mar–May 2009
3-Month
54.0°F
(12.2°C)
52.3°F
(11.3°C)
1.7°F
(0.9°C)
97th Coolest Coolest since: 2008 1940
32nd Warmest Warmest since: 2008 2012
Ties: 2008, 2015, 2020
Feb–May 2009
4-Month
50.2°F
(10.1°C)
47.9°F
(8.8°C)
2.3°F
(1.3°C)
105th Coolest Coolest since: 2007 1934
24th Warmest Warmest since: 2008 2012
Ties: 2006
Jan–May 2009
5-Month
46.3°F
(7.9°C)
45.0°F
(7.2°C)
1.3°F
(0.7°C)
94th Coolest Coolest since: 2007 1940
35th Warmest Warmest since: 2008 2012
Ties: 1909
Dec 2008–May 2009
6-Month
45.3°F
(7.4°C)
43.4°F
(6.3°C)
1.9°F
(1.1°C)
96th Coolest Coolest since: 2005 1904
32nd Warmest Warmest since: 2008 2012
Ties: 1933
Nov 2008–May 2009
7-Month
45.3°F
(7.4°C)
43.7°F
(6.5°C)
1.6°F
(0.9°C)
96th Coolest Coolest since: 2005 1904
32nd Warmest Warmest since: 2008 2012
Ties: 1939, 1990
Oct 2008–May 2009
8-Month
46.7°F
(8.2°C)
45.4°F
(7.4°C)
1.3°F
(0.8°C)
91st Coolest Coolest since: 2005 1904
37th Warmest Warmest since: 2008 2012
Sep 2008–May 2009
9-Month
49.2°F
(9.6°C)
47.8°F
(8.8°C)
1.4°F
(0.8°C)
96th Coolest Coolest since: 2005 1904, 1918
32nd Warmest Warmest since: 2008 2012
Ties: 1953, 1954, 1957
Aug 2008–May 2009
10-Month
51.7°F
(10.9°C)
50.5°F
(10.3°C)
1.2°F
(0.6°C)
98th Coolest Coolest since: 2005 1904
30th Warmest Warmest since: 2008 2012
Ties: 1953, 1954, 1986, 1990
Jul 2008–May 2009
11-Month
54.0°F
(12.2°C)
52.7°F
(11.5°C)
1.3°F
(0.7°C)
98th Coolest Coolest since: 2005 1904
30th Warmest Warmest since: 2008 2012
Ties: 1942, 1950
Jun 2008–May 2009
12-Month
55.8°F
(13.2°C)
54.2°F
(12.3°C)
1.6°F
(0.9°C)
103rd Coolest Coolest since: 2005 1904
25th Warmest Warmest since: 2008 2012
Ties: 1976
Dec 2007–May 2009
18-Month
52.6°F
(11.4°C)
50.6°F
(10.3°C)
2.0°F
(1.1°C)
106th Coolest Coolest since: 2005 1905
21st Warmest Warmest since: 2008 2017
Jun 2007–May 2009
24-Month
56.3°F
(13.5°C)
54.1°F
(12.3°C)
2.2°F
(1.2°C)
114th Coolest Coolest since: 2006 1905
13th Warmest Warmest since: 2008 2017
Ties: 1999, 2011
Jun 2006–May 2009
36-Month
56.3°F
(13.5°C)
54.2°F
(12.3°C)
2.1°F
(1.2°C)
114th Coolest Coolest since: 2007 1906
12th Warmest Warmest since: 2008 2018, 2021
Jun 2005–May 2009
48-Month
56.6°F
(13.7°C)
54.2°F
(12.3°C)
2.4°F
(1.4°C)
116th Coolest Coolest since: 2008 1907
9th Warmest Warmest to Date 2019
Jun 2004–May 2009
60-Month
56.2°F
(13.4°C)
54.1°F
(12.3°C)
2.1°F
(1.1°C)
109th Coolest Coolest since: 2007 1908
15th Warmest Warmest since: 2008 2020
Ties: 2002

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Average Temperature, published September 2022, retrieved on September 25, 2022 from https://www.ncdc.noaa.gov/cag/