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Washington (Dulles), District of Columbia

Average Temperature Rankings, January 2011

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  • Record Warmest
Period Value 1991-2020
Mean
Anomaly Rank
(1960-2023)
Warmest/Coolest
Since
Record
January 2011
1-Month
29.8°F
(-1.2°C)
34.0°F
(1.1°C)
-4.3°F
(-2.3°C)
19th Coolest
Coolest since:
1977
44th Warmest
Warmest since:
2023
Dec 2010–Jan 2011
2-Month
30.2°F
(-1.0°C)
36.0°F
(2.2°C)
-5.8°F
(-3.2°C)
8th Coolest
Coolest since:
1977
55th Warmest
Warmest since:
2002
Nov 2010–Jan 2011
3-Month
35.4°F
(1.9°C)
39.3°F
(4.1°C)
-3.9°F
(-2.2°C)
9th Coolest
Coolest since:
1977
51st Warmest
Warmest since:
2002
Oct 2010–Jan 2011
4-Month
41.0°F
(5.0°C)
43.6°F
(6.4°C)
-2.6°F
(-1.4°C)
12th Coolest
Coolest since:
1977
48th Warmest
Warmest since:
2002
Ties: 1988
Sep 2010–Jan 2011
5-Month
47.0°F
(8.3°C)
48.6°F
(9.2°C)
-1.6°F
(-0.9°C)
21st Coolest
Coolest since:
1977
39th Warmest
Warmest since:
2017
Aug 2010–Jan 2011
6-Month
52.0°F
(11.1°C)
53.2°F
(11.8°C)
-1.2°F
(-0.7°C)
24th Coolest
Coolest since:
1977
36th Warmest
Warmest since:
2017
Jul 2010–Jan 2011
7-Month
55.9°F
(13.3°C)
56.6°F
(13.7°C)
-0.7°F
(-0.4°C)
33rd Coolest
Coolest since:
1977
27th Warmest
Warmest since:
2017
Ties: 1989, 2004
Jun 2010–Jan 2011
8-Month
58.5°F
(14.7°C)
58.6°F
(14.8°C)
-0.1°F
(-0.1°C)
40th Coolest
Coolest since:
1977
20th Warmest
Warmest since:
2017
Ties: 2010
May 2010–Jan 2011
9-Month
59.4°F
(15.2°C)
59.2°F
(15.1°C)
0.2°F
(0.1°C)
43rd Coolest
Coolest since:
1977
17th Warmest
Warmest since:
2017
Ties: 2000
Apr 2010–Jan 2011
10-Month
59.4°F
(15.2°C)
58.8°F
(14.9°C)
0.6°F
(0.3°C)
45th Coolest
Coolest since:
1977
15th Warmest
Warmest since:
2020
Mar 2010–Jan 2011
11-Month
58.4°F
(14.7°C)
57.5°F
(14.2°C)
0.9°F
(0.5°C)
49th Coolest
Coolest since:
1977
11th Warmest
Warmest since:
2017
Ties: 1992
Feb 2010–Jan 2011
12-Month
56.1°F
(13.4°C)
55.7°F
(13.2°C)
0.4°F
(0.2°C)
44th Coolest
Coolest since:
1968, 1977
16th Warmest
Warmest since:
2017
Ties: 1995
Aug 2009–Jan 2011
18-Month
55.2°F
(12.9°C)
54.8°F
(12.7°C)
0.4°F
(0.2°C)
44th Coolest
Coolest since:
1978
14th Warmest
Warmest since:
2017
Feb 2009–Jan 2011
24-Month
55.9°F
(13.3°C)
55.7°F
(13.2°C)
0.2°F
(0.1°C)
42nd Coolest
Coolest since:
1968, 1982
16th Warmest
Warmest since:
2013, 2021
Feb 2008–Jan 2011
36-Month
55.6°F
(13.1°C)
55.7°F
(13.2°C)
-0.1°F
(-0.1°C)
40th Coolest
Coolest since:
1982
16th Warmest
Warmest since:
2022, 2023
Ties: 2002, 2003, 2017
Feb 2007–Jan 2011
48-Month
55.7°F
(13.2°C)
55.7°F
(13.2°C)
0.0°F
(0.0°C)
40th Coolest
Coolest since:
1982
14th Warmest
Warmest since:
2023
Ties: 2005, 2006
Feb 2006–Jan 2011
60-Month
55.9°F
(13.3°C)
55.6°F
(13.1°C)
0.3°F
(0.2°C)
42nd Coolest
Coolest since:
1971, 1981, 1982, 1983, 1984
10th Warmest
Warmest since:
2023
Ties: 2006, 2007, 2008, 2010

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