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, April 1978

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Period Value 1981-2010
Mean
Anomaly Rank
(1960-2019)
Warmest/Coolest
Since
Record
April 1978
1-Month
53.5°F
(11.9°C)
54.1°F
(12.3°C)
-0.6°F
(-0.4°C)
27th Coolest Coolest since: 1975 1966
32nd Warmest Warmest since: 1977 2017
Mar–Apr 1978
2-Month
46.7°F
(8.2°C)
49.0°F
(9.4°C)
-2.3°F
(-1.2°C)
14th Coolest Coolest since: 1975 1984
45th Warmest Warmest since: 1977 2010
Ties: 1996
Feb–Apr 1978
3-Month
39.9°F
(4.4°C)
44.6°F
(7.0°C)
-4.7°F
(-2.6°C)
1st Coolest Coolest to Date 1978
58th Warmest Warmest since: 1977 2017
Jan–Apr 1978
4-Month
36.6°F
(2.6°C)
41.7°F
(5.4°C)
-5.1°F
(-2.8°C)
1st Coolest Coolest to Date 1978
58th Warmest Warmest since: 1977 2017
Dec 1977–Apr 1978
5-Month
35.7°F
(2.1°C)
40.6°F
(4.8°C)
-4.9°F
(-2.7°C)
2nd Coolest Coolest since: 1970 1970
57th Warmest Warmest since: 1977 2017
Nov 1977–Apr 1978
6-Month
37.6°F
(3.1°C)
41.4°F
(5.2°C)
-3.8°F
(-2.1°C)
2nd Coolest Coolest since: 1970 1970
54th Warmest Warmest since: 1977 2012
Oct 1977–Apr 1978
7-Month
39.9°F
(4.4°C)
43.5°F
(6.4°C)
-3.6°F
(-2.0°C)
3rd Coolest Coolest since: 1977 1970
53rd Warmest Warmest since: 1976 2017
Sep 1977–Apr 1978
8-Month
43.5°F
(6.4°C)
46.4°F
(8.0°C)
-2.9°F
(-1.6°C)
4th Coolest Coolest since: 1977 1970
52nd Warmest Warmest since: 1976 2017
Aug 1977–Apr 1978
9-Month
47.1°F
(8.4°C)
49.7°F
(9.8°C)
-2.6°F
(-1.4°C)
4th Coolest Coolest since: 1977 1970
52nd Warmest Warmest since: 1976 2017
Jul 1977–Apr 1978
10-Month
50.1°F
(10.1°C)
52.4°F
(11.3°C)
-2.3°F
(-1.2°C)
6th Coolest Coolest since: 1977 1970
50th Warmest Warmest since: 1976 2017
Ties: 2015
Jun 1977–Apr 1978
11-Month
51.7°F
(10.9°C)
54.1°F
(12.3°C)
-2.4°F
(-1.4°C)
4th Coolest Coolest since: 1977 1970, 1977
52nd Warmest Warmest since: 1976 2017
May 1977–Apr 1978
12-Month
52.8°F
(11.6°C)
54.8°F
(12.7°C)
-2.0°F
(-1.1°C)
7th Coolest Coolest since: 1977 1977
49th Warmest Warmest since: 1976 2017
Nov 1976–Apr 1978
18-Month
47.9°F
(8.8°C)
50.3°F
(10.2°C)
-2.4°F
(-1.4°C)
4th Coolest Coolest since: 1971 1970, 1971
50th Warmest Warmest since: 1977 2017
May 1976–Apr 1978
24-Month
52.4°F
(11.3°C)
54.8°F
(12.7°C)
-2.4°F
(-1.4°C)
1st Coolest Coolest to Date 1978
53rd Warmest Warmest since: 1977 2017
May 1975–Apr 1978
36-Month
53.4°F
(11.9°C)
54.8°F
(12.7°C)
-1.4°F
(-0.8°C)
11th Coolest Coolest since: 1972 1970
41st Warmest Warmest since: 1977 2018
Ties: 1967, 1983
May 1974–Apr 1978
48-Month
53.3°F
(11.8°C)
54.6°F
(12.6°C)
-1.3°F
(-0.8°C)
9th Coolest Coolest since: 1972 1970, 1971
41st Warmest Warmest since: 1977 2019
Ties: 1981
May 1973–Apr 1978
60-Month
53.7°F
(12.1°C)
54.6°F
(12.6°C)
-0.9°F
(-0.5°C)
13th Coolest Coolest since: 1974 1970, 1971
35th Warmest Warmest since: 1977 2012
Ties: 1974, 1985

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published January 2020, retrieved on January 25, 2020 from https://www.ncdc.noaa.gov/cag/