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 October 2021. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, September 2005

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 2005
1-Month
71.9°F
(22.2°C)
67.4°F
(19.7°C)
4.5°F
(2.5°C)
120th Coolest Coolest since: 2004 1917
8th Warmest Warmest since: 1961 2018
Aug–Sep 2005
2-Month
74.9°F
(23.8°C)
70.6°F
(21.4°C)
4.3°F
(2.4°C)
125th Coolest Coolest since: 2004 1927, 1963
3rd Warmest Warmest since: 1900 2018
Ties: 1900
Jul–Sep 2005
3-Month
75.9°F
(24.4°C)
72.2°F
(22.3°C)
3.7°F
(2.1°C)
124th Coolest Coolest since: 2004 1909
4th Warmest Warmest since: 1900 2016
Ties: 1900, 2019
Jun–Sep 2005
4-Month
75.1°F
(23.9°C)
71.8°F
(22.1°C)
3.3°F
(1.8°C)
120th Coolest Coolest since: 2004 1927
8th Warmest Warmest to Date 2010
May–Sep 2005
5-Month
71.8°F
(22.1°C)
69.9°F
(21.1°C)
1.9°F
(1.0°C)
112th Coolest Coolest since: 2003 1924, 1927
16th Warmest Warmest since: 2004 2010
Ties: 1930, 1987
Apr–Sep 2005
6-Month
68.8°F
(20.4°C)
66.9°F
(19.4°C)
1.9°F
(1.0°C)
110th Coolest Coolest since: 2003 1907
18th Warmest Warmest since: 2004 2010
Ties: 1980
Mar–Sep 2005
7-Month
64.7°F
(18.2°C)
63.4°F
(17.4°C)
1.3°F
(0.8°C)
98th Coolest Coolest since: 2003 1924
30th Warmest Warmest since: 2004 2010
Ties: 1980
Feb–Sep 2005
8-Month
61.2°F
(16.2°C)
59.8°F
(15.4°C)
1.4°F
(0.8°C)
99th Coolest Coolest since: 2003 1907
29th Warmest Warmest since: 2004 2012
Ties: 1953, 1985
Jan–Sep 2005
9-Month
58.2°F
(14.6°C)
56.8°F
(13.8°C)
1.4°F
(0.8°C)
100th Coolest Coolest since: 2003 1940
28th Warmest Warmest since: 2004 2012
Ties: 1925, 1930, 1939, 2000
Dec 2004–Sep 2005
10-Month
56.3°F
(13.5°C)
54.8°F
(12.7°C)
1.5°F
(0.8°C)
100th Coolest Coolest since: 2003 1904
27th Warmest Warmest since: 2004 2012
Ties: 1913, 1933, 1952
Nov 2004–Sep 2005
11-Month
55.6°F
(13.1°C)
54.0°F
(12.2°C)
1.6°F
(0.9°C)
103rd Coolest Coolest since: 2003 1904
24th Warmest Warmest since: 2004 2012
Ties: 1953, 1957
Oct 2004–Sep 2005
12-Month
55.7°F
(13.2°C)
54.2°F
(12.3°C)
1.5°F
(0.9°C)
102nd Coolest Coolest since: 2003 1904
25th Warmest Warmest since: 2004 2012
Ties: 1976, 1985
Apr 2004–Sep 2005
18-Month
60.2°F
(15.7°C)
58.5°F
(14.7°C)
1.7°F
(1.0°C)
110th Coolest Coolest since: 2004 1904, 1918
17th Warmest Warmest since: 2002 2012
Ties: 2000
Oct 2003–Sep 2005
24-Month
55.8°F
(13.2°C)
54.2°F
(12.3°C)
1.6°F
(0.9°C)
105th Coolest Coolest since: 2004 1905
21st Warmest Warmest since: 2003 2017
Ties: 1933, 1998
Oct 2002–Sep 2005
36-Month
55.2°F
(12.9°C)
54.1°F
(12.3°C)
1.1°F
(0.6°C)
96th Coolest Coolest since: 1998 1905, 1918
29th Warmest Warmest since: 2004 2018, 2021
Ties: 1933
Oct 2001–Sep 2005
48-Month
56.0°F
(13.3°C)
54.2°F
(12.3°C)
1.8°F
(1.0°C)
107th Coolest Coolest since: 2004 1905
17th Warmest Warmest since: 2002 2019
Ties: 2000
Oct 2000–Sep 2005
60-Month
55.7°F
(13.2°C)
54.2°F
(12.3°C)
1.5°F
(0.9°C)
104th Coolest Coolest since: 2004 1908
19th Warmest Warmest since: 2004 2020
Ties: 2001, 2004

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2021, retrieved on December 1, 2021 from https://www.ncdc.noaa.gov/cag/