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 2021. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, September 2010

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 2010
1-Month
71.4°F
(21.9°C)
67.4°F
(19.7°C)
4.0°F
(2.2°C)
118th Coolest Coolest since: 2009 1917
10th Warmest Warmest since: 2005 2018
Ties: 1900
Aug–Sep 2010
2-Month
74.2°F
(23.4°C)
70.6°F
(21.4°C)
3.6°F
(2.0°C)
122nd Coolest Coolest since: 2009 1927, 1963
6th Warmest Warmest since: 2005 2018
Jul–Sep 2010
3-Month
76.1°F
(24.5°C)
72.2°F
(22.3°C)
3.9°F
(2.2°C)
125th Coolest Coolest since: 2009 1909
3rd Warmest Warmest to Date 2016
Jun–Sep 2010
4-Month
76.4°F
(24.7°C)
71.8°F
(22.1°C)
4.6°F
(2.6°C)
127th Coolest Coolest since: 2009 1927
1st Warmest Warmest to Date 2010
May–Sep 2010
5-Month
74.4°F
(23.6°C)
69.9°F
(21.1°C)
4.5°F
(2.5°C)
127th Coolest Coolest since: 2009 1924, 1927
1st Warmest Warmest to Date 2010
Apr–Sep 2010
6-Month
71.6°F
(22.0°C)
67.0°F
(19.4°C)
4.6°F
(2.6°C)
127th Coolest Coolest since: 2009 1907
1st Warmest Warmest to Date 2010
Mar–Sep 2010
7-Month
68.2°F
(20.1°C)
63.4°F
(17.4°C)
4.8°F
(2.7°C)
127th Coolest Coolest since: 2009 1924
1st Warmest Warmest to Date 2010
Feb–Sep 2010
8-Month
63.6°F
(17.6°C)
59.8°F
(15.4°C)
3.8°F
(2.2°C)
126th Coolest Coolest since: 2009 1907
2nd Warmest Warmest to Date 2012
Ties: 2019
Jan–Sep 2010
9-Month
60.3°F
(15.7°C)
56.9°F
(13.8°C)
3.4°F
(1.9°C)
122nd Coolest Coolest since: 2009 1940
6th Warmest Warmest since: 2002 2012
Ties: 1998
Dec 2009–Sep 2010
10-Month
57.9°F
(14.4°C)
54.8°F
(12.7°C)
3.1°F
(1.7°C)
117th Coolest Coolest since: 2009 1904
10th Warmest Warmest since: 2002 2012
Nov 2009–Sep 2010
11-Month
57.3°F
(14.1°C)
54.0°F
(12.2°C)
3.3°F
(1.9°C)
120th Coolest Coolest since: 2009 1904
7th Warmest Warmest since: 2002 2012
Ties: 1991
Oct 2009–Sep 2010
12-Month
57.2°F
(14.0°C)
54.2°F
(12.3°C)
3.0°F
(1.7°C)
118th Coolest Coolest since: 2009 1904
9th Warmest Warmest since: 2002 2012
Apr 2009–Sep 2010
18-Month
60.8°F
(16.0°C)
58.4°F
(14.7°C)
2.4°F
(1.3°C)
117th Coolest Coolest since: 2009 1904, 1918
10th Warmest Warmest since: 2008 2012
Ties: 1991, 2006, 2008, 2013
Oct 2008–Sep 2010
24-Month
56.2°F
(13.4°C)
54.1°F
(12.3°C)
2.1°F
(1.1°C)
111th Coolest Coolest since: 2009 1905
15th Warmest Warmest since: 2008 2017
Ties: 2000, 2003, 2006
Oct 2007–Sep 2010
36-Month
56.5°F
(13.6°C)
54.2°F
(12.3°C)
2.3°F
(1.3°C)
116th Coolest Coolest since: 2009 1905, 1918
9th Warmest Warmest since: 2008 2018, 2021
Ties: 2014
Oct 2006–Sep 2010
48-Month
56.4°F
(13.6°C)
54.1°F
(12.3°C)
2.3°F
(1.3°C)
115th Coolest Coolest since: 2009 1905
9th Warmest Warmest since: 2008 2019
Ties: 2008, 2011
Oct 2005–Sep 2010
60-Month
56.5°F
(13.6°C)
54.1°F
(12.3°C)
2.4°F
(1.3°C)
114th Coolest Coolest since: 2009 1908
9th Warmest Warmest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2021, retrieved on October 17, 2021 from https://www.ncdc.noaa.gov/cag/