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 2022. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, September 2020

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 2020
1-Month
68.7°F
(20.4°C)
67.4°F
(19.7°C)
1.3°F
(0.7°C)
87th Coolest Coolest since: 2013 1917
41st Warmest Warmest since: 2019 2018
Ties: 1942, 1989
Aug–Sep 2020
2-Month
72.9°F
(22.7°C)
70.5°F
(21.4°C)
2.4°F
(1.3°C)
108th Coolest Coolest since: 2017 1927, 1963
20th Warmest Warmest since: 2019 2018
Ties: 1898, 1930, 1970, 2003
Jul–Sep 2020
3-Month
75.5°F
(24.2°C)
72.2°F
(22.3°C)
3.3°F
(1.9°C)
120th Coolest Coolest since: 2017 1909
8th Warmest Warmest since: 2019 2016
Jun–Sep 2020
4-Month
75.1°F
(23.9°C)
71.9°F
(22.2°C)
3.2°F
(1.7°C)
122nd Coolest Coolest since: 2017 1927
6th Warmest Warmest since: 2019 2010
Ties: 2005
May–Sep 2020
5-Month
72.2°F
(22.3°C)
69.9°F
(21.1°C)
2.3°F
(1.2°C)
117th Coolest Coolest since: 2017 1924, 1927
11th Warmest Warmest since: 2019 2010
Ties: 1991
Apr–Sep 2020
6-Month
68.8°F
(20.4°C)
66.9°F
(19.4°C)
1.9°F
(1.0°C)
111th Coolest Coolest since: 2014 1907
17th Warmest Warmest since: 2019 2010
Ties: 1980, 2005
Mar–Sep 2020
7-Month
66.0°F
(18.9°C)
63.4°F
(17.4°C)
2.6°F
(1.5°C)
118th Coolest Coolest since: 2017 1924
10th Warmest Warmest since: 2019 2010
Ties: 1991, 2017
Feb–Sep 2020
8-Month
63.0°F
(17.2°C)
59.8°F
(15.4°C)
3.2°F
(1.8°C)
119th Coolest Coolest since: 2015 1907
9th Warmest Warmest since: 2019 2012
Jan–Sep 2020
9-Month
60.5°F
(15.8°C)
56.9°F
(13.8°C)
3.6°F
(2.0°C)
124th Coolest Coolest since: 2019 1940
4th Warmest Warmest since: 2019 2012
Ties: 2019
Dec 2019–Sep 2020
10-Month
58.4°F
(14.7°C)
54.8°F
(12.7°C)
3.6°F
(2.0°C)
121st Coolest Coolest since: 2018 1904
6th Warmest Warmest since: 2019 2012
Nov 2019–Sep 2020
11-Month
57.1°F
(13.9°C)
54.0°F
(12.2°C)
3.1°F
(1.7°C)
119th Coolest Coolest since: 2018 1904
8th Warmest Warmest since: 2019 2012
Oct 2019–Sep 2020
12-Month
57.4°F
(14.1°C)
54.1°F
(12.3°C)
3.3°F
(1.8°C)
120th Coolest Coolest since: 2018 1904
7th Warmest Warmest since: 2019 2012
Apr 2019–Sep 2020
18-Month
62.0°F
(16.7°C)
58.4°F
(14.7°C)
3.6°F
(2.0°C)
124th Coolest Coolest since: 2019 1904, 1918
3rd Warmest Warmest since: 2016 2012
Oct 2018–Sep 2020
24-Month
57.5°F
(14.2°C)
54.1°F
(12.3°C)
3.4°F
(1.9°C)
123rd Coolest Coolest since: 2019 1905
3rd Warmest Warmest since: 2017 2017
Oct 2017–Sep 2020
36-Month
57.4°F
(14.1°C)
54.2°F
(12.3°C)
3.2°F
(1.8°C)
121st Coolest Coolest since: 2017 1905, 1918
4th Warmest Warmest since: 2019 2018
Ties: 2012
Oct 2016–Sep 2020
48-Month
57.5°F
(14.2°C)
54.2°F
(12.3°C)
3.3°F
(1.9°C)
122nd Coolest Coolest since: 2018 1905
2nd Warmest Warmest since: 2019 2019
Oct 2015–Sep 2020
60-Month
57.6°F
(14.2°C)
54.1°F
(12.3°C)
3.5°F
(1.9°C)
122nd Coolest Coolest since: 2019 1908
1st Warmest Warmest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Average Temperature, published September 2022, retrieved on October 5, 2022 from https://www.ncdc.noaa.gov/cag/