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 July 2022. 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
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 2018
1-Month
73.6°F
(23.1°C)
67.4°F
(19.7°C)
6.2°F
(3.4°C)
127th Coolest Coolest since: 2017 1917
1st Warmest Warmest to Date 2018
Aug–Sep 2018
2-Month
76.1°F
(24.5°C)
70.6°F
(21.4°C)
5.5°F
(3.1°C)
127th Coolest Coolest since: 2017 1927, 1963
1st Warmest Warmest to Date 2018
Jul–Sep 2018
3-Month
76.5°F
(24.7°C)
72.2°F
(22.3°C)
4.3°F
(2.4°C)
126th Coolest Coolest since: 2017 1909
2nd Warmest Warmest since: 2016 2016
Jun–Sep 2018
4-Month
75.5°F
(24.2°C)
71.8°F
(22.1°C)
3.7°F
(2.1°C)
125th Coolest Coolest since: 2017 1927
3rd Warmest Warmest since: 2016 2010
May–Sep 2018
5-Month
74.1°F
(23.4°C)
69.9°F
(21.1°C)
4.2°F
(2.3°C)
126th Coolest Coolest since: 2017 1924, 1927
2nd Warmest Warmest since: 2010 2010
Apr–Sep 2018
6-Month
70.3°F
(21.3°C)
66.9°F
(19.4°C)
3.4°F
(1.9°C)
124th Coolest Coolest since: 2017 1907
4th Warmest Warmest since: 2012 2010
Ties: 2012
Mar–Sep 2018
7-Month
66.1°F
(18.9°C)
63.5°F
(17.5°C)
2.6°F
(1.4°C)
119th Coolest Coolest since: 2017 1924
9th Warmest Warmest since: 2016 2010
Feb–Sep 2018
8-Month
63.2°F
(17.3°C)
59.8°F
(15.4°C)
3.4°F
(1.9°C)
121st Coolest Coolest since: 2016 1907
7th Warmest Warmest since: 2017 2012
Ties: 2016
Jan–Sep 2018
9-Month
59.8°F
(15.4°C)
56.9°F
(13.8°C)
2.9°F
(1.6°C)
119th Coolest Coolest since: 2015 1940
9th Warmest Warmest since: 2017 2012
Ties: 1991
Dec 2017–Sep 2018
10-Month
57.4°F
(14.1°C)
54.8°F
(12.7°C)
2.6°F
(1.4°C)
115th Coolest Coolest since: 2015 1904
12th Warmest Warmest since: 2017 2012
Nov 2017–Sep 2018
11-Month
56.5°F
(13.6°C)
53.9°F
(12.2°C)
2.6°F
(1.4°C)
115th Coolest Coolest since: 2015 1904
12th Warmest Warmest since: 2017 2012
Oct 2017–Sep 2018
12-Month
57.0°F
(13.9°C)
54.2°F
(12.3°C)
2.8°F
(1.6°C)
117th Coolest Coolest since: 2015 1904
10th Warmest Warmest since: 2017 2012
Apr 2017–Sep 2018
18-Month
61.3°F
(16.3°C)
58.5°F
(14.7°C)
2.8°F
(1.6°C)
119th Coolest Coolest since: 2015 1904, 1918
8th Warmest Warmest since: 2017 2012
Oct 2016–Sep 2018
24-Month
57.4°F
(14.1°C)
54.2°F
(12.3°C)
3.2°F
(1.8°C)
122nd Coolest Coolest since: 2016 1905
4th Warmest Warmest since: 2017 2017
Ties: 2013, 2021
Oct 2015–Sep 2018
36-Month
57.7°F
(14.3°C)
54.2°F
(12.3°C)
3.5°F
(2.0°C)
124th Coolest Coolest since: 2017 1905, 1918
1st Warmest Warmest to Date 2018
Oct 2014–Sep 2018
48-Month
57.1°F
(13.9°C)
54.2°F
(12.3°C)
2.9°F
(1.6°C)
120th Coolest Coolest since: 2017 1905
4th Warmest Warmest since: 2013 2019
Ties: 2013
Oct 2013–Sep 2018
60-Month
56.6°F
(13.7°C)
54.1°F
(12.3°C)
2.5°F
(1.4°C)
117th Coolest Coolest since: 2017 1908
6th Warmest Warmest since: 2016 2020
Ties: 2014, 2016

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2022, retrieved on August 9, 2022 from https://www.ncei.noaa.gov/cag/