Climate at a Glance

City 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 April 2022. For more information, please see Climatological Rankings.


Washington (Dulles), District of Columbia

Average Temperature Rankings, December 2017

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 2017
1-Month
35.1°F
(1.7°C)
36.5°F
(2.5°C)
-1.4°F
(-0.8°C)
20th Coolest Coolest since: 2010 1989
42nd Warmest Warmest since: 2016 2015
Ties: 1975
Nov–Dec 2017
2-Month
40.4°F
(4.7°C)
41.3°F
(5.2°C)
-0.9°F
(-0.5°C)
20th Coolest Coolest since: 2014 1989
39th Warmest Warmest since: 2016 2015
Ties: 1972, 1997
Oct–Dec 2017
3-Month
47.3°F
(8.5°C)
46.1°F
(7.8°C)
1.2°F
(0.7°C)
42nd Coolest Coolest since: 2014 1976
17th Warmest Warmest since: 2016 2015
Ties: 1979
Sep–Dec 2017
4-Month
52.6°F
(11.4°C)
51.5°F
(10.8°C)
1.1°F
(0.6°C)
40th Coolest Coolest since: 2014 1976
19th Warmest Warmest since: 2016 2015
Ties: 1999, 2004
Aug–Dec 2017
5-Month
56.8°F
(13.8°C)
56.3°F
(13.5°C)
0.5°F
(0.3°C)
35th Coolest Coolest since: 2014 1976
24th Warmest Warmest since: 2016 2021
Ties: 2004
Jul–Dec 2017
6-Month
60.3°F
(15.7°C)
59.7°F
(15.4°C)
0.6°F
(0.3°C)
39th Coolest Coolest since: 2014 1976
20th Warmest Warmest since: 2016 2021
Ties: 1970
Jun–Dec 2017
7-Month
62.1°F
(16.7°C)
61.5°F
(16.4°C)
0.6°F
(0.3°C)
41st Coolest Coolest since: 2014 1976
18th Warmest Warmest since: 2016 2021
Ties: 1991
May–Dec 2017
8-Month
62.1°F
(16.7°C)
61.6°F
(16.4°C)
0.5°F
(0.3°C)
38th Coolest Coolest since: 2014 1976
21st Warmest Warmest since: 2016 2015
Ties: 1971, 1987
Apr–Dec 2017
9-Month
62.0°F
(16.7°C)
60.8°F
(16.0°C)
1.2°F
(0.7°C)
45th Coolest Coolest since: 2014 1976
14th Warmest Warmest since: 2016 2015
Mar–Dec 2017
10-Month
60.2°F
(15.7°C)
59.1°F
(15.1°C)
1.1°F
(0.6°C)
45th Coolest Coolest since: 2014 1976
14th Warmest Warmest since: 2016 2021
Feb–Dec 2017
11-Month
58.8°F
(14.9°C)
57.0°F
(13.9°C)
1.8°F
(1.0°C)
52nd Coolest Coolest since: 2015 1967
7th Warmest Warmest since: 2016 2012
Jan–Dec 2017
12-Month
57.2°F
(14.0°C)
55.0°F
(12.8°C)
2.2°F
(1.2°C)
55th Coolest Coolest since: 2016 1966
4th Warmest Warmest since: 2012 2012
Jul 2016–Dec 2017
18-Month
59.1°F
(15.1°C)
56.5°F
(13.6°C)
2.6°F
(1.5°C)
54th Coolest Coolest since: 2016 1967
3rd Warmest Warmest since: 2012 2021
Jan 2016–Dec 2017
24-Month
57.2°F
(14.0°C)
55.0°F
(12.8°C)
2.2°F
(1.2°C)
53rd Coolest Coolest since: 2016 1967
4th Warmest Warmest since: 2012 2021
Jan 2015–Dec 2017
36-Month
56.7°F
(13.7°C)
55.0°F
(12.8°C)
1.7°F
(0.9°C)
49th Coolest Coolest since: 2016 1968
6th Warmest Warmest since: 2013 2021
Ties: 2013
Jan 2014–Dec 2017
48-Month
55.8°F
(13.2°C)
54.9°F
(12.7°C)
0.9°F
(0.5°C)
41st Coolest Coolest since: 2016 1969
12th Warmest Warmest since: 2014 2021
Ties: 2014
Jan 2013–Dec 2017
60-Month
55.7°F
(13.2°C)
54.8°F
(12.7°C)
0.9°F
(0.5°C)
35th Coolest Coolest since: 2005 1969, 1970
16th Warmest Warmest since: 2016 2021

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published May 2022, retrieved on May 26, 2022 from https://www.ncdc.noaa.gov/cag/