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 2021. For more information, please see Climatological Rankings.


Wilmington, Delaware

Average Temperature Rankings, April 1978

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
April 1978
1-Month
50.6°F
(10.3°C)
53.2°F
(11.8°C)
-2.6°F
(-1.5°C)
15th Coolest Coolest since: 1975 1975
60th Warmest Warmest since: 1977 2017
Ties: 1984
Mar–Apr 1978
2-Month
44.2°F
(6.8°C)
48.1°F
(8.9°C)
-3.9°F
(-2.1°C)
5th Coolest Coolest since: 1975 1950
68th Warmest Warmest since: 1977 2012
Ties: 1956
Feb–Apr 1978
3-Month
37.2°F
(2.9°C)
43.9°F
(6.6°C)
-6.7°F
(-3.7°C)
1st Coolest Coolest to Date 1978
72nd Warmest Warmest since: 1977 2012
Jan–Apr 1978
4-Month
34.7°F
(1.5°C)
40.9°F
(4.9°C)
-6.2°F
(-3.4°C)
1st Coolest Coolest to Date 1978
72nd Warmest Warmest since: 1977 2012
Dec 1977–Apr 1978
5-Month
34.5°F
(1.4°C)
40.1°F
(4.5°C)
-5.6°F
(-3.1°C)
1st Coolest Coolest to Date 1978
71st Warmest Warmest since: 1977 2012
Nov 1977–Apr 1978
6-Month
36.6°F
(2.6°C)
41.2°F
(5.1°C)
-4.6°F
(-2.5°C)
1st Coolest Coolest to Date 1978
70th Warmest Warmest since: 1977 2002, 2012
Oct 1977–Apr 1978
7-Month
39.0°F
(3.9°C)
43.3°F
(6.3°C)
-4.3°F
(-2.4°C)
1st Coolest Coolest to Date 1978
70th Warmest Warmest since: 1977 2002
Sep 1977–Apr 1978
8-Month
42.9°F
(6.1°C)
46.4°F
(8.0°C)
-3.5°F
(-1.9°C)
1st Coolest Coolest to Date 1978
70th Warmest Warmest since: 1977 2012, 2016, 2017
Aug 1977–Apr 1978
9-Month
46.5°F
(8.1°C)
49.6°F
(9.8°C)
-3.1°F
(-1.7°C)
2nd Coolest Coolest since: 1963 1963
69th Warmest Warmest since: 1977 2017
Jul 1977–Apr 1978
10-Month
49.5°F
(9.7°C)
52.3°F
(11.3°C)
-2.8°F
(-1.6°C)
3rd Coolest Coolest since: 1977 1963
68th Warmest Warmest since: 1977 2017
Ties: 1977
Jun 1977–Apr 1978
11-Month
51.3°F
(10.7°C)
54.1°F
(12.3°C)
-2.8°F
(-1.6°C)
2nd Coolest Coolest since: 1963 1963
69th Warmest Warmest since: 1977 2017
May 1977–Apr 1978
12-Month
52.4°F
(11.3°C)
54.8°F
(12.7°C)
-2.4°F
(-1.4°C)
4th Coolest Coolest since: 1977 1963
67th Warmest Warmest since: 1976 2012
Nov 1976–Apr 1978
18-Month
47.6°F
(8.7°C)
50.3°F
(10.2°C)
-2.7°F
(-1.5°C)
1st Coolest Coolest to Date 1978
66th Warmest Warmest since: 1977 2017
May 1976–Apr 1978
24-Month
52.3°F
(11.3°C)
54.8°F
(12.7°C)
-2.5°F
(-1.4°C)
1st Coolest Coolest to Date 1978
66th Warmest Warmest since: 1977 2017
May 1975–Apr 1978
36-Month
53.5°F
(11.9°C)
54.8°F
(12.7°C)
-1.3°F
(-0.8°C)
11th Coolest Coolest since: 1971 1979
52nd Warmest Warmest since: 1977 2018
Ties: 1971
May 1974–Apr 1978
48-Month
53.5°F
(11.9°C)
54.7°F
(12.6°C)
-1.2°F
(-0.7°C)
12th Coolest Coolest since: 1971 1964, 1966
47th Warmest Warmest since: 1977 2019, 2020
Ties: 1963, 1982
May 1973–Apr 1978
60-Month
54.0°F
(12.2°C)
54.8°F
(12.7°C)
-0.8°F
(-0.5°C)
21st Coolest Coolest since: 1973 1965
35th Warmest Warmest since: 1977 2020
Ties: 1960

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published September 2021, retrieved on September 20, 2021 from https://www.ncdc.noaa.gov/cag/