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


Delaware

Average Temperature Rankings, September 2015

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 2015
1-Month
72.0°F
(22.2°C)
67.4°F
(19.7°C)
4.6°F
(2.5°C)
121st Coolest Coolest since: 2014 1917
5th Warmest Warmest since: 1961 2018
Ties: 1931, 2016
Aug–Sep 2015
2-Month
73.6°F
(23.1°C)
70.6°F
(21.4°C)
3.0°F
(1.7°C)
117th Coolest Coolest since: 2014 1927, 1963
9th Warmest Warmest since: 2010 2018
Jul–Sep 2015
3-Month
74.7°F
(23.7°C)
72.2°F
(22.3°C)
2.5°F
(1.4°C)
115th Coolest Coolest since: 2014 1909
11th Warmest Warmest since: 2012 2016
Ties: 1955, 1999
Jun–Sep 2015
4-Month
74.4°F
(23.6°C)
71.8°F
(22.1°C)
2.6°F
(1.5°C)
116th Coolest Coolest since: 2014 1927
10th Warmest Warmest since: 2012 2010
May–Sep 2015
5-Month
73.1°F
(22.8°C)
69.9°F
(21.1°C)
3.2°F
(1.7°C)
120th Coolest Coolest since: 2014 1924, 1927
6th Warmest Warmest since: 2012 2010
Apr–Sep 2015
6-Month
70.0°F
(21.1°C)
67.0°F
(19.4°C)
3.0°F
(1.7°C)
120th Coolest Coolest since: 2014 1907
6th Warmest Warmest since: 2012 2010
Mar–Sep 2015
7-Month
65.7°F
(18.7°C)
63.5°F
(17.5°C)
2.2°F
(1.2°C)
114th Coolest Coolest since: 2014 1924
12th Warmest Warmest since: 2012 2010
Feb–Sep 2015
8-Month
60.8°F
(16.0°C)
59.9°F
(15.5°C)
0.9°F
(0.5°C)
89th Coolest Coolest since: 2014 1907
37th Warmest Warmest since: 2013 2012
Ties: 1952, 1987, 2001
Jan–Sep 2015
9-Month
57.6°F
(14.2°C)
56.9°F
(13.8°C)
0.7°F
(0.4°C)
81st Coolest Coolest since: 2014 1940
45th Warmest Warmest since: 2013 2012
Ties: 1943, 1986, 1987
Dec 2014–Sep 2015
10-Month
55.9°F
(13.3°C)
54.8°F
(12.7°C)
1.1°F
(0.6°C)
88th Coolest Coolest since: 2014 1904
37th Warmest Warmest since: 2013 2012
Ties: 1976, 1997
Nov 2014–Sep 2015
11-Month
54.9°F
(12.7°C)
54.0°F
(12.2°C)
0.9°F
(0.5°C)
84th Coolest Coolest since: 2014 1904
41st Warmest Warmest since: 2013 2012
Ties: 1898, 1925, 1942, 1974
Oct 2014–Sep 2015
12-Month
55.3°F
(12.9°C)
54.2°F
(12.3°C)
1.1°F
(0.6°C)
92nd Coolest Coolest since: 2014 1904
33rd Warmest Warmest since: 2013 2012
Ties: 1933, 1939, 1990, 2009
Apr 2014–Sep 2015
18-Month
59.5°F
(15.3°C)
58.4°F
(14.7°C)
1.1°F
(0.6°C)
98th Coolest Coolest since: 2014 1904, 1918
27th Warmest Warmest since: 2013 2012
Ties: 1954
Oct 2013–Sep 2015
24-Month
55.0°F
(12.8°C)
54.2°F
(12.3°C)
0.8°F
(0.5°C)
89th Coolest Coolest since: 2004 1905
35th Warmest Warmest since: 2014 2017
Ties: 1943, 1990, 2004
Oct 2012–Sep 2015
36-Month
55.3°F
(12.9°C)
54.1°F
(12.3°C)
1.2°F
(0.6°C)
98th Coolest Coolest since: 2005 1905, 1918
25th Warmest Warmest since: 2014 2018
Ties: 1955
Oct 2011–Sep 2015
48-Month
56.2°F
(13.4°C)
54.2°F
(12.3°C)
2.0°F
(1.1°C)
110th Coolest Coolest since: 2007 1905
12th Warmest Warmest since: 2014 2019
Ties: 2007
Oct 2010–Sep 2015
60-Month
56.2°F
(13.4°C)
54.1°F
(12.3°C)
2.1°F
(1.1°C)
109th Coolest Coolest since: 2009 1908
12th Warmest Warmest since: 2014 2019
Ties: 2006, 2009

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 16, 2019 from https://www.ncdc.noaa.gov/cag/