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 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 1901-2000
Mean
Anomaly Rank
(1895-2020)
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)
93rd Coolest Coolest since: 2008 1967
34th 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)
107th 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)
96th Coolest Coolest since: 2008 1940
31st Warmest Warmest since: 2008 2012
Ties: 2008, 2015
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
22nd 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
33rd 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
30th 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
30th 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
35th 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
30th 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
28th 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
28th 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
23rd 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
19th 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
11th 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
10th Warmest Warmest since: 2008 2018
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
7th Warmest Warmest to Date 2019, 2020
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
13th Warmest Warmest since: 2008 2020
Ties: 2002

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2021, retrieved on February 28, 2021 from https://www.ncdc.noaa.gov/cag/