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 December 2019. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, May 2015

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 2015
1-Month
67.9°F
(19.9°C)
62.1°F
(16.7°C)
5.8°F
(3.2°C)
122nd Coolest Coolest since: 2014 1967
4th Warmest Warmest since: 2004 2004
Apr–May 2015
2-Month
61.0°F
(16.1°C)
57.0°F
(13.9°C)
4.0°F
(2.2°C)
118th Coolest Coolest since: 2014 1907
8th Warmest Warmest since: 2012 2019
Mar–May 2015
3-Month
54.0°F
(12.2°C)
52.3°F
(11.3°C)
1.7°F
(0.9°C)
96th Coolest Coolest since: 2014 1940
30th Warmest Warmest since: 2012 2012
Ties: 2008, 2009
Feb–May 2015
4-Month
47.1°F
(8.4°C)
47.8°F
(8.8°C)
-0.7°F
(-0.4°C)
41st Coolest Coolest since: 2003 1934
85th Warmest Warmest since: 2014 2012
Ties: 1963, 1996
Jan–May 2015
5-Month
44.1°F
(6.7°C)
44.9°F
(7.2°C)
-0.8°F
(-0.5°C)
40th Coolest Coolest since: 2003 1940
86th Warmest Warmest since: 2014 2012
Ties: 1956
Dec 2014–May 2015
6-Month
43.6°F
(6.4°C)
43.5°F
(6.4°C)
0.1°F
(0.0°C)
58th Coolest Coolest since: 2014 1904
67th Warmest Warmest since: 2014 2012
Ties: 1944, 1947, 1980, 2001, 2014
Nov 2014–May 2015
7-Month
43.7°F
(6.5°C)
43.8°F
(6.6°C)
-0.1°F
(-0.1°C)
51st Coolest Coolest since: 2003 1904
74th Warmest Warmest since: 2014 2012
Ties: 1906, 1928, 1959, 1987, 2001
Oct 2014–May 2015
8-Month
45.7°F
(7.6°C)
45.4°F
(7.4°C)
0.3°F
(0.2°C)
67th Coolest Coolest since: 2003 1904
58th Warmest Warmest since: 2014 2012
Ties: 1930
Sep 2014–May 2015
9-Month
48.3°F
(9.1°C)
47.8°F
(8.8°C)
0.5°F
(0.3°C)
74th Coolest Coolest since: 2014 1904, 1918
51st Warmest Warmest since: 2013 2012
Ties: 1898, 1962, 1980
Aug 2014–May 2015
10-Month
50.7°F
(10.4°C)
50.4°F
(10.2°C)
0.3°F
(0.2°C)
72nd Coolest Coolest since: 2014 1904
53rd Warmest Warmest since: 2013 2012
Ties: 1898, 1909, 1922, 1973, 1989
Jul 2014–May 2015
11-Month
53.0°F
(11.7°C)
52.7°F
(11.5°C)
0.3°F
(0.2°C)
69th Coolest Coolest since: 2001 1904
56th Warmest Warmest since: 2014 2012
Ties: 1909, 1975
Jun 2014–May 2015
12-Month
54.7°F
(12.6°C)
54.3°F
(12.4°C)
0.4°F
(0.2°C)
77th Coolest Coolest since: 2003 1904
48th Warmest Warmest since: 2014 2012
Ties: 1903, 1922, 1983, 2003
Dec 2013–May 2015
18-Month
51.0°F
(10.6°C)
50.6°F
(10.3°C)
0.4°F
(0.3°C)
76th Coolest Coolest since: 1997 1905
48th Warmest Warmest since: 2014 2017
Ties: 1909, 1943, 1958, 1987, 1988, 1989, 1994
Jun 2013–May 2015
24-Month
54.8°F
(12.7°C)
54.2°F
(12.3°C)
0.6°F
(0.4°C)
84th Coolest Coolest since: 1997 1905
40th Warmest Warmest since: 2014 2017
Ties: 1943, 1989
Jun 2012–May 2015
36-Month
55.4°F
(13.0°C)
54.2°F
(12.3°C)
1.2°F
(0.7°C)
101st Coolest Coolest since: 2005 1906
22nd Warmest Warmest since: 2014 2018
Ties: 2003
Jun 2011–May 2015
48-Month
56.3°F
(13.5°C)
54.2°F
(12.3°C)
2.1°F
(1.2°C)
114th Coolest Coolest since: 2011 1907
8th Warmest Warmest since: 2014 2019
Ties: 2008, 2011
Jun 2010–May 2015
60-Month
56.4°F
(13.6°C)
54.2°F
(12.3°C)
2.2°F
(1.3°C)
113th Coolest Coolest since: 2011 1908
8th Warmest Warmest since: 2014 2019
Ties: 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 17, 2020 from https://www.ncdc.noaa.gov/cag/