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


Wilmington, Delaware

Average Temperature Rankings, April 1978

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Period Value 1981-2010
Mean
Amomaly Rank
(1948-2019)
Warmest/Coolest
Since
Record
April 1978
1-Month
50.9°F
(10.5°C)
53.5°F
(11.9°C)
-2.6°F
(-1.4°C)
17th Coolest Coolest since: 1975 1975
56th Warmest Warmest since: 1977 2017
Mar–Apr 1978
2-Month
44.5°F
(6.9°C)
48.3°F
(9.1°C)
-3.8°F
(-2.2°C)
6th Coolest Coolest since: 1975 1950
65th Warmest Warmest since: 1977 2012
Feb–Apr 1978
3-Month
37.4°F
(3.0°C)
44.0°F
(6.7°C)
-6.6°F
(-3.7°C)
1st Coolest Coolest to Date 1978
70th Warmest Warmest since: 1977 2012
Jan–Apr 1978
4-Month
35.0°F
(1.7°C)
41.2°F
(5.1°C)
-6.2°F
(-3.4°C)
1st Coolest Coolest to Date 1978
70th Warmest Warmest since: 1977 2012
Dec 1977–Apr 1978
5-Month
34.8°F
(1.6°C)
40.4°F
(4.7°C)
-5.6°F
(-3.1°C)
1st Coolest Coolest to Date 1978
69th Warmest Warmest since: 1977 2012
Nov 1977–Apr 1978
6-Month
36.8°F
(2.7°C)
41.3°F
(5.2°C)
-4.5°F
(-2.5°C)
1st Coolest Coolest to Date 1978
68th Warmest Warmest since: 1977 2012
Oct 1977–Apr 1978
7-Month
39.3°F
(4.1°C)
43.5°F
(6.4°C)
-4.2°F
(-2.3°C)
1st Coolest Coolest to Date 1978
68th Warmest Warmest since: 1977 2002, 2012
Sep 1977–Apr 1978
8-Month
43.1°F
(6.2°C)
46.6°F
(8.1°C)
-3.5°F
(-1.9°C)
1st Coolest Coolest to Date 1978
68th Warmest Warmest since: 1977 2012
Aug 1977–Apr 1978
9-Month
46.7°F
(8.2°C)
49.7°F
(9.8°C)
-3.0°F
(-1.6°C)
2nd Coolest Coolest since: 1977 1977
67th Warmest Warmest since: 1976 2017
Jul 1977–Apr 1978
10-Month
49.7°F
(9.8°C)
52.4°F
(11.3°C)
-2.7°F
(-1.5°C)
3rd Coolest Coolest since: 1977 1963, 1977
66th Warmest Warmest since: 1976 2017
Ties: 1970
Jun 1977–Apr 1978
11-Month
51.5°F
(10.8°C)
54.2°F
(12.3°C)
-2.7°F
(-1.5°C)
1st Coolest Coolest since: 1963 1963, 1978
68th Warmest Warmest since: 1977 2012
Ties: 1963
May 1977–Apr 1978
12-Month
52.6°F
(11.4°C)
55.0°F
(12.8°C)
-2.4°F
(-1.4°C)
3rd Coolest Coolest since: 1977 1968
66th Warmest Warmest since: 1976 2012
Ties: 1963
Nov 1976–Apr 1978
18-Month
47.7°F
(8.7°C)
50.4°F
(10.2°C)
-2.7°F
(-1.5°C)
1st Coolest Coolest to Date 1978
64th Warmest Warmest since: 1977 2017
May 1976–Apr 1978
24-Month
52.5°F
(11.4°C)
54.9°F
(12.7°C)
-2.4°F
(-1.3°C)
1st Coolest Coolest to Date 1978
64th Warmest Warmest since: 1977 2017
May 1975–Apr 1978
36-Month
53.7°F
(12.1°C)
55.0°F
(12.8°C)
-1.3°F
(-0.7°C)
10th Coolest Coolest since: 1970 1979
51st Warmest Warmest since: 1977 2018
Ties: 1967
May 1974–Apr 1978
48-Month
53.9°F
(12.2°C)
54.9°F
(12.7°C)
-1.0°F
(-0.5°C)
14th Coolest Coolest since: 1971 1964, 1970, 1980
43rd Warmest Warmest since: 1977 2019
Ties: 1959, 1961, 1962
May 1973–Apr 1978
60-Month
54.3°F
(12.4°C)
54.9°F
(12.7°C)
-0.6°F
(-0.3°C)
21st Coolest Coolest since: 1973 1965
33rd Warmest Warmest since: 1977 2012, 2019
Ties: 1960

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published September 2019, retrieved on September 16, 2019 from https://www.ncdc.noaa.gov/cag/