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 May 2020. For more information, please see Climatological Rankings.


Wilmington, Delaware

Average Temperature Rankings, May 1978

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1978
1-Month
60.1°F
(15.6°C)
62.7°F
(17.1°C)
-2.6°F
(-1.5°C)
12th Coolest Coolest since: 1976 1967
62nd Warmest Warmest since: 1977 2004
Ties: 1992
Apr–May 1978
2-Month
55.2°F
(12.9°C)
58.0°F
(14.4°C)
-2.8°F
(-1.5°C)
9th Coolest Coolest since: 1971 1967
65th Warmest Warmest since: 1977 2019
Mar–May 1978
3-Month
49.3°F
(9.6°C)
53.0°F
(11.7°C)
-3.7°F
(-2.1°C)
4th Coolest Coolest since: 1967 1984
68th Warmest Warmest since: 1977 2012
Ties: 1956
Feb–May 1978
4-Month
42.6°F
(5.9°C)
48.5°F
(9.2°C)
-5.9°F
(-3.3°C)
1st Coolest Coolest to Date 1978
71st Warmest Warmest since: 1977 2012
Jan–May 1978
5-Month
39.5°F
(4.2°C)
45.3°F
(7.4°C)
-5.8°F
(-3.2°C)
1st Coolest Coolest to Date 1978
71st Warmest Warmest since: 1977 2012
Dec 1977–May 1978
6-Month
38.5°F
(3.6°C)
43.9°F
(6.6°C)
-5.4°F
(-3.0°C)
1st Coolest Coolest to Date 1978
70th Warmest Warmest since: 1977 2012
Nov 1977–May 1978
7-Month
39.6°F
(4.2°C)
44.2°F
(6.8°C)
-4.6°F
(-2.6°C)
1st Coolest Coolest to Date 1978
69th Warmest Warmest since: 1977 2012
Oct 1977–May 1978
8-Month
41.3°F
(5.2°C)
45.7°F
(7.6°C)
-4.4°F
(-2.4°C)
1st Coolest Coolest to Date 1978
69th Warmest Warmest since: 1977 2012
Sep 1977–May 1978
9-Month
44.4°F
(6.9°C)
48.1°F
(8.9°C)
-3.7°F
(-2.0°C)
1st Coolest Coolest to Date 1978
69th Warmest Warmest since: 1977 2012
Aug 1977–May 1978
10-Month
47.5°F
(8.6°C)
50.9°F
(10.5°C)
-3.4°F
(-1.9°C)
1st Coolest Coolest to Date 1978
69th Warmest Warmest since: 1977 2012
Jul 1977–May 1978
11-Month
50.1°F
(10.1°C)
53.2°F
(11.8°C)
-3.1°F
(-1.7°C)
1st Coolest Coolest since: 1963 1963, 1978
69th Warmest Warmest since: 1977 2012
Ties: 1963
Jun 1977–May 1978
12-Month
51.7°F
(10.9°C)
54.8°F
(12.7°C)
-3.1°F
(-1.8°C)
1st Coolest Coolest to Date 1978
69th Warmest Warmest since: 1977 2012
Dec 1976–May 1978
18-Month
48.3°F
(9.1°C)
51.1°F
(10.6°C)
-2.8°F
(-1.5°C)
2nd Coolest Coolest to Date 1979
65th Warmest Warmest since: 1977 2017
Jun 1976–May 1978
24-Month
52.1°F
(11.2°C)
54.8°F
(12.7°C)
-2.7°F
(-1.5°C)
1st Coolest Coolest to Date 1978
65th Warmest Warmest since: 1977 2017
Jun 1975–May 1978
36-Month
53.2°F
(11.8°C)
54.8°F
(12.7°C)
-1.6°F
(-0.9°C)
10th Coolest Coolest since: 1970 1979
52nd Warmest Warmest since: 1977 2018
Ties: 1966
Jun 1974–May 1978
48-Month
53.4°F
(11.9°C)
54.8°F
(12.7°C)
-1.4°F
(-0.8°C)
14th Coolest Coolest since: 1971 1980
44th Warmest Warmest since: 1977 2019, 2020
Ties: 1984
Jun 1973–May 1978
60-Month
53.8°F
(12.1°C)
54.7°F
(12.6°C)
-0.9°F
(-0.5°C)
20th Coolest Coolest since: 1973 1967, 1970, 1981, 1982
35th Warmest Warmest since: 1977 2020
Ties: 1959, 1960, 1985

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published June 2020, retrieved on July 5, 2020 from https://www.ncdc.noaa.gov/cag/