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 2019. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, September 2018

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2018)
Warmest/Coolest
Since
Record
September 2018
1-Month
73.2°F
(22.9°C)
67.4°F
(19.7°C)
5.8°F
(3.2°C)
124th Coolest Coolest since: 2017 1917
1st Warmest Warmest to Date 2018
Aug–Sep 2018
2-Month
75.8°F
(24.3°C)
70.5°F
(21.4°C)
5.3°F
(2.9°C)
124th Coolest Coolest since: 2017 1927, 1963
1st Warmest Warmest to Date 2018
Jul–Sep 2018
3-Month
76.3°F
(24.6°C)
72.2°F
(22.3°C)
4.1°F
(2.3°C)
123rd Coolest Coolest since: 2017 1909
2nd Warmest Warmest since: 2016 2016
Jun–Sep 2018
4-Month
75.4°F
(24.1°C)
71.9°F
(22.2°C)
3.5°F
(1.9°C)
122nd Coolest Coolest since: 2017 1927
3rd Warmest Warmest since: 2016 2010
May–Sep 2018
5-Month
73.9°F
(23.3°C)
69.9°F
(21.1°C)
4.0°F
(2.2°C)
123rd Coolest Coolest since: 2017 1924, 1927
2nd Warmest Warmest since: 2010 2010
Apr–Sep 2018
6-Month
70.1°F
(21.2°C)
66.9°F
(19.4°C)
3.2°F
(1.8°C)
121st Coolest Coolest since: 2017 1907
4th Warmest Warmest since: 2012 2010
Mar–Sep 2018
7-Month
65.8°F
(18.8°C)
63.4°F
(17.4°C)
2.4°F
(1.4°C)
115th Coolest Coolest since: 2015 1924
10th Warmest Warmest since: 2017 2010
Feb–Sep 2018
8-Month
62.9°F
(17.2°C)
59.8°F
(15.4°C)
3.1°F
(1.8°C)
118th Coolest Coolest since: 2015 1907
7th Warmest Warmest since: 2017 2012
Jan–Sep 2018
9-Month
59.5°F
(15.3°C)
56.8°F
(13.8°C)
2.7°F
(1.5°C)
114th Coolest Coolest since: 2015 1940
11th Warmest Warmest since: 2017 2012
Dec 2017–Sep 2018
10-Month
57.2°F
(14.0°C)
54.8°F
(12.7°C)
2.4°F
(1.3°C)
113th Coolest Coolest since: 2015 1904
11th Warmest Warmest since: 2017 2012
Ties: 1999
Nov 2017–Sep 2018
11-Month
56.3°F
(13.5°C)
54.0°F
(12.2°C)
2.3°F
(1.3°C)
112th Coolest Coolest since: 2015 1904
12th Warmest Warmest since: 2017 2012
Ties: 1995, 1999, 2008
Oct 2017–Sep 2018
12-Month
56.8°F
(13.8°C)
54.2°F
(12.3°C)
2.6°F
(1.5°C)
115th Coolest Coolest since: 2015 1904
9th Warmest Warmest since: 2017 2012
Ties: 2006
Apr 2017–Sep 2018
18-Month
61.1°F
(16.2°C)
58.4°F
(14.7°C)
2.7°F
(1.5°C)
118th Coolest Coolest since: 2015 1904, 1918
6th Warmest Warmest since: 2017 2012
Oct 2016–Sep 2018
24-Month
57.3°F
(14.1°C)
54.2°F
(12.3°C)
3.1°F
(1.8°C)
119th Coolest Coolest since: 2016 1905
4th Warmest Warmest since: 2017 2017
Oct 2015–Sep 2018
36-Month
57.6°F
(14.2°C)
54.1°F
(12.3°C)
3.5°F
(1.9°C)
121st Coolest Coolest since: 2017 1905, 1918
1st Warmest Warmest to Date 2018
Oct 2014–Sep 2018
48-Month
57.0°F
(13.9°C)
54.1°F
(12.3°C)
2.9°F
(1.6°C)
119th Coolest Coolest since: 2017 1905
2nd Warmest Warmest since: 2013 2013
Oct 2013–Sep 2018
60-Month
56.6°F
(13.7°C)
54.2°F
(12.3°C)
2.4°F
(1.4°C)
117th Coolest Coolest since: 2017 1908
3rd Warmest Warmest since: 2016 2012
Ties: 2014, 2016

Citing This Page

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