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


Wilmington, Delaware

Average Temperature Rankings, May 1978

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Period Value 1981-2010
Mean
Anomaly Rank
(1948-2019)
Warmest/Coolest
Since
Record
May 1978
1-Month
60.8°F
(16.0°C)
62.8°F
(17.1°C)
-2.0°F
(-1.1°C)
16th Coolest Coolest since: 1973 1967
57th Warmest Warmest since: 1977 1991
Ties: 1950
Apr–May 1978
2-Month
55.8°F
(13.2°C)
58.0°F
(14.4°C)
-2.2°F
(-1.2°C)
10th Coolest Coolest since: 1972 1967
63rd Warmest Warmest since: 1977 2019
Mar–May 1978
3-Month
49.9°F
(9.9°C)
53.0°F
(11.7°C)
-3.1°F
(-1.8°C)
5th Coolest Coolest since: 1967 1967
66th Warmest Warmest since: 1977 2012
Feb–May 1978
4-Month
43.2°F
(6.2°C)
48.5°F
(9.2°C)
-5.3°F
(-3.0°C)
1st Coolest Coolest to Date 1978
70th Warmest Warmest since: 1977 2012
Jan–May 1978
5-Month
40.1°F
(4.5°C)
45.3°F
(7.4°C)
-5.2°F
(-2.9°C)
1st Coolest Coolest to Date 1978
70th Warmest Warmest since: 1977 2012
Dec 1977–May 1978
6-Month
39.1°F
(3.9°C)
43.9°F
(6.6°C)
-4.8°F
(-2.7°C)
1st Coolest Coolest to Date 1978
69th Warmest Warmest since: 1977 2012
Nov 1977–May 1978
7-Month
40.3°F
(4.6°C)
44.3°F
(6.8°C)
-4.0°F
(-2.2°C)
1st Coolest Coolest to Date 1978
68th Warmest Warmest since: 1977 2012
Oct 1977–May 1978
8-Month
42.0°F
(5.6°C)
45.8°F
(7.7°C)
-3.8°F
(-2.1°C)
1st Coolest Coolest to Date 1978
68th Warmest Warmest since: 1977 2012
Sep 1977–May 1978
9-Month
45.1°F
(7.3°C)
48.2°F
(9.0°C)
-3.1°F
(-1.7°C)
1st Coolest Coolest to Date 1978
68th Warmest Warmest since: 1977 2012
Aug 1977–May 1978
10-Month
48.1°F
(8.9°C)
50.9°F
(10.5°C)
-2.8°F
(-1.6°C)
1st Coolest Coolest to Date 1978
68th Warmest Warmest since: 1977 2012
Jul 1977–May 1978
11-Month
50.8°F
(10.4°C)
53.3°F
(11.8°C)
-2.5°F
(-1.4°C)
2nd Coolest Coolest since: 1977 1963
67th Warmest Warmest since: 1977 2012
Ties: 1977
Jun 1977–May 1978
12-Month
52.3°F
(11.3°C)
54.8°F
(12.7°C)
-2.5°F
(-1.4°C)
1st Coolest Coolest since: 1963 1963, 1978
68th Warmest Warmest since: 1977 2012
Ties: 1963
Dec 1976–May 1978
18-Month
48.9°F
(9.4°C)
51.2°F
(10.7°C)
-2.3°F
(-1.3°C)
2nd Coolest Coolest since: 1968 1979
64th Warmest Warmest since: 1977 2017
Ties: 1968
Jun 1976–May 1978
24-Month
52.5°F
(11.4°C)
54.8°F
(12.7°C)
-2.3°F
(-1.3°C)
1st Coolest Coolest to Date 1978
64th Warmest Warmest since: 1977 2017
Jun 1975–May 1978
36-Month
53.6°F
(12.0°C)
54.8°F
(12.7°C)
-1.2°F
(-0.7°C)
10th Coolest Coolest since: 1970 1979
51st Warmest Warmest since: 1977 2018
Ties: 1966
Jun 1974–May 1978
48-Month
53.9°F
(12.2°C)
54.8°F
(12.7°C)
-0.9°F
(-0.5°C)
13th Coolest Coolest since: 1971 1964, 1966, 1968, 1970, 1980
44th Warmest Warmest since: 1977 2019
Ties: 1961, 1982
Jun 1973–May 1978
60-Month
54.3°F
(12.4°C)
54.7°F
(12.6°C)
-0.4°F
(-0.2°C)
22nd Coolest Coolest since: 1973 1967, 1970
32nd Warmest Warmest since: 1977 2019
Ties: 1960

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published October 2019, retrieved on October 19, 2019 from https://www.ncdc.noaa.gov/cag/