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 2020. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, December 2017

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 2017
1-Month
36.1°F
(2.3°C)
36.2°F
(2.3°C)
-0.1°F
(0.0°C)
55th Coolest Coolest since: 2010 1989
72nd Warmest Warmest since: 2016 2015
Ties: 1906
Nov–Dec 2017
2-Month
41.8°F
(5.4°C)
40.9°F
(4.9°C)
0.9°F
(0.5°C)
70th Coolest Coolest since: 2010 1917
57th Warmest Warmest since: 2016 2015
Ties: 1900, 1970, 1988, 1997, 2019
Oct–Dec 2017
3-Month
48.7°F
(9.3°C)
46.1°F
(7.8°C)
2.6°F
(1.5°C)
104th Coolest Coolest since: 2014 1917
23rd Warmest Warmest since: 2016 2015
Sep–Dec 2017
4-Month
54.0°F
(12.2°C)
51.5°F
(10.8°C)
2.5°F
(1.4°C)
110th Coolest Coolest since: 2014 1917
17th Warmest Warmest since: 2016 2015
Ties: 1984
Aug–Dec 2017
5-Month
58.0°F
(14.4°C)
55.9°F
(13.3°C)
2.1°F
(1.1°C)
105th Coolest Coolest since: 2014 1917
22nd Warmest Warmest since: 2016 2015
Jul–Dec 2017
6-Month
61.4°F
(16.3°C)
59.2°F
(15.1°C)
2.2°F
(1.2°C)
110th Coolest Coolest since: 2014 1917
17th Warmest Warmest since: 2016 2015
Jun–Dec 2017
7-Month
63.1°F
(17.3°C)
60.8°F
(16.0°C)
2.3°F
(1.3°C)
111th Coolest Coolest since: 2014 1917
16th Warmest Warmest since: 2016 2015
May–Dec 2017
8-Month
63.1°F
(17.3°C)
61.0°F
(16.1°C)
2.1°F
(1.2°C)
111th Coolest Coolest since: 2014 1917
16th Warmest Warmest since: 2016 2015
Ties: 1959, 1998
Apr–Dec 2017
9-Month
62.7°F
(17.1°C)
60.0°F
(15.6°C)
2.7°F
(1.5°C)
118th Coolest Coolest since: 2014 1917
9th Warmest Warmest since: 2016 2015
Ties: 2006
Mar–Dec 2017
10-Month
60.8°F
(16.0°C)
58.3°F
(14.6°C)
2.5°F
(1.4°C)
117th Coolest Coolest since: 2014 1917
10th Warmest Warmest since: 2016 2012
Feb–Dec 2017
11-Month
59.3°F
(15.2°C)
56.1°F
(13.4°C)
3.2°F
(1.8°C)
120th Coolest Coolest since: 2015 1917
7th Warmest Warmest since: 2016 2012
Jan–Dec 2017
12-Month
57.6°F
(14.2°C)
54.2°F
(12.3°C)
3.4°F
(1.9°C)
124th Coolest Coolest since: 2016 1904
3rd Warmest Warmest since: 2012 2012
Jul 2016–Dec 2017
18-Month
59.5°F
(15.3°C)
55.9°F
(13.3°C)
3.6°F
(2.0°C)
124th Coolest Coolest since: 2016 1904
2nd Warmest Warmest since: 2016 2012
Ties: 2016
Jan 2016–Dec 2017
24-Month
57.5°F
(14.2°C)
54.2°F
(12.3°C)
3.3°F
(1.9°C)
123rd Coolest Coolest since: 2016 1905
3rd Warmest Warmest since: 2012 2012
Jan 2015–Dec 2017
36-Month
57.1°F
(13.9°C)
54.1°F
(12.3°C)
3.0°F
(1.6°C)
119th Coolest Coolest since: 2016 1905
6th Warmest Warmest since: 2013 2020
Jan 2014–Dec 2017
48-Month
56.5°F
(13.6°C)
54.1°F
(12.3°C)
2.4°F
(1.3°C)
117th Coolest Coolest since: 2016 1907
7th Warmest Warmest since: 2014 2020
Ties: 2011
Jan 2013–Dec 2017
60-Month
56.4°F
(13.6°C)
54.2°F
(12.3°C)
2.2°F
(1.3°C)
114th Coolest Coolest since: 2011 1905
9th Warmest Warmest since: 2016 2020
Ties: 2002, 2010, 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 22, 2021 from https://www.ncdc.noaa.gov/cag/