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 December 2019. For more information, please see Climatological Rankings.


Washington (Dulles), District of Columbia

Average Temperature Rankings, January 1979

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1960-2019)
Warmest/Coolest
Since
Record
January 1979
1-Month
30.5°F
(-0.8°C)
32.9°F
(0.5°C)
-2.4°F
(-1.3°C)
23rd Coolest Coolest since: 1978 1977
36th Warmest Warmest since: 1975 2006
Dec 1978–Jan 1979
2-Month
34.0°F
(1.1°C)
34.6°F
(1.4°C)
-0.6°F
(-0.3°C)
28th Coolest Coolest since: 1978 1977
31st Warmest Warmest since: 1975 2002
Ties: 2010
Nov 1978–Jan 1979
3-Month
38.1°F
(3.4°C)
38.4°F
(3.6°C)
-0.3°F
(-0.2°C)
29th Coolest Coolest since: 1978 1977
27th Warmest Warmest since: 1975 2002
Ties: 1967
Oct 1978–Jan 1979
4-Month
41.9°F
(5.5°C)
42.7°F
(5.9°C)
-0.8°F
(-0.4°C)
27th Coolest Coolest since: 1978 1977
29th Warmest Warmest since: 1976 2002
Ties: 1964
Sep 1978–Jan 1979
5-Month
47.1°F
(8.4°C)
47.6°F
(8.7°C)
-0.5°F
(-0.3°C)
27th Coolest Coolest since: 1978 1977
29th Warmest Warmest since: 1975 2017
Ties: 2009
Aug 1978–Jan 1979
6-Month
52.0°F
(11.1°C)
52.1°F
(11.2°C)
-0.1°F
(-0.1°C)
31st Coolest Coolest since: 1978 1977
25th Warmest Warmest since: 1975 2017
Ties: 1975
Jul 1978–Jan 1979
7-Month
55.1°F
(12.8°C)
55.6°F
(13.1°C)
-0.5°F
(-0.3°C)
25th Coolest Coolest since: 1978 1977
31st Warmest Warmest since: 1975 2017
Ties: 1975, 1987, 2009
Jun 1978–Jan 1979
8-Month
57.1°F
(13.9°C)
57.7°F
(14.3°C)
-0.6°F
(-0.4°C)
24th Coolest Coolest since: 1978 1977
32nd Warmest Warmest since: 1974 2017
Ties: 1996
May 1978–Jan 1979
9-Month
57.7°F
(14.3°C)
58.2°F
(14.6°C)
-0.5°F
(-0.3°C)
22nd Coolest Coolest since: 1978 1977
34th Warmest Warmest since: 1976 2017
Ties: 1966, 1994, 1996
Apr 1978–Jan 1979
10-Month
57.3°F
(14.1°C)
57.8°F
(14.3°C)
-0.5°F
(-0.2°C)
26th Coolest Coolest since: 1978 1977
30th Warmest Warmest since: 1974 2012, 2017
Mar 1978–Jan 1979
11-Month
55.7°F
(13.2°C)
56.5°F
(13.6°C)
-0.8°F
(-0.4°C)
22nd Coolest Coolest since: 1977 1977
34th Warmest Warmest since: 1978 2017
Feb 1978–Jan 1979
12-Month
53.3°F
(11.8°C)
54.8°F
(12.7°C)
-1.5°F
(-0.9°C)
13th Coolest Coolest since: 1977 1968
43rd Warmest Warmest since: 1978 2017
Ties: 1969
Aug 1977–Jan 1979
18-Month
52.4°F
(11.3°C)
53.8°F
(12.1°C)
-1.4°F
(-0.8°C)
10th Coolest Coolest since: 1978 1971
44th Warmest Warmest since: 1976 2017
Feb 1977–Jan 1979
24-Month
53.8°F
(12.1°C)
54.7°F
(12.6°C)
-0.9°F
(-0.5°C)
15th Coolest Coolest since: 1978 1968
39th Warmest Warmest since: 1976 2013
Ties: 1972, 1973, 1984, 1985, 2015
Feb 1976–Jan 1979
36-Month
53.3°F
(11.8°C)
54.7°F
(12.6°C)
-1.4°F
(-0.8°C)
8th Coolest Coolest since: 1977 1970
44th Warmest Warmest since: 1978 2013
Ties: 1967, 1972, 1977, 1983
Feb 1975–Jan 1979
48-Month
53.5°F
(11.9°C)
54.7°F
(12.6°C)
-1.2°F
(-0.7°C)
13th Coolest Coolest since: 1973 1970, 1971
37th Warmest Warmest since: 1978 2013
Feb 1974–Jan 1979
60-Month
53.5°F
(11.9°C)
54.5°F
(12.5°C)
-1.0°F
(-0.6°C)
12th Coolest Coolest since: 1973 1971
36th Warmest Warmest since: 1978 2013
Ties: 1985

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published January 2020, retrieved on January 17, 2020 from https://www.ncdc.noaa.gov/cag/