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City Data Info
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Wilmington, Delaware

Average Temperature Rankings, May 1978

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  • Record Coolest
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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1978
1-Month
60.7°F
(15.9°C)
62.9°F
(17.2°C)
-2.2°F
(-1.3°C)
16th Coolest
Coolest since:
1967
60th Warmest
Warmest since:
2004
Ties: 1950, 1996
Apr–May 1978
2-Month
55.7°F
(13.2°C)
58.1°F
(14.5°C)
-2.4°F
(-1.3°C)
10th Coolest
Coolest since:
1967
66th Warmest
Warmest since:
2019
Mar–May 1978
3-Month
49.8°F
(9.9°C)
53.1°F
(11.7°C)
-3.3°F
(-1.8°C)
5th Coolest
Coolest since:
1967
69th Warmest
Warmest since:
2012
Feb–May 1978
4-Month
43.2°F
(6.2°C)
48.7°F
(9.3°C)
-5.5°F
(-3.1°C)
1st Coolest
Coolest since:
1978
73rd Warmest
Warmest since:
2012
Jan–May 1978
5-Month
40.1°F
(4.5°C)
45.5°F
(7.5°C)
-5.4°F
(-3.0°C)
1st Coolest
Coolest since:
1978
73rd Warmest
Warmest since:
2012
Dec 1977–May 1978
6-Month
39.0°F
(3.9°C)
44.0°F
(6.7°C)
-5.0°F
(-2.8°C)
1st Coolest
Coolest since:
1978
72nd Warmest
Warmest since:
2012
Nov 1977–May 1978
7-Month
40.2°F
(4.6°C)
44.4°F
(6.9°C)
-4.2°F
(-2.3°C)
1st Coolest
Coolest since:
1978
71st Warmest
Warmest since:
2012
Oct 1977–May 1978
8-Month
41.9°F
(5.5°C)
45.9°F
(7.7°C)
-4.0°F
(-2.2°C)
1st Coolest
Coolest since:
1978
71st Warmest
Warmest since:
2012
Sep 1977–May 1978
9-Month
45.0°F
(7.2°C)
48.3°F
(9.1°C)
-3.3°F
(-1.9°C)
1st Coolest
Coolest since:
1978
71st Warmest
Warmest since:
2012
Aug 1977–May 1978
10-Month
48.1°F
(8.9°C)
51.1°F
(10.6°C)
-3.0°F
(-1.7°C)
1st Coolest
Coolest since:
1978
71st Warmest
Warmest since:
2012
Jul 1977–May 1978
11-Month
50.7°F
(10.4°C)
53.4°F
(11.9°C)
-2.7°F
(-1.5°C)
2nd Coolest
Coolest since:
1963
70th Warmest
Warmest since:
2012
Jun 1977–May 1978
12-Month
52.2°F
(11.2°C)
54.9°F
(12.7°C)
-2.7°F
(-1.5°C)
1st Coolest
Coolest since:
1963, 1978
71st Warmest
Warmest since:
2012
Ties: 1963
Dec 1976–May 1978
18-Month
48.8°F
(9.3°C)
51.3°F
(10.7°C)
-2.5°F
(-1.4°C)
1st Coolest
Coolest since:
1978, 1979
68th Warmest
Warmest since:
2017
Ties: 1979
Jun 1976–May 1978
24-Month
52.5°F
(11.4°C)
55.0°F
(12.8°C)
-2.5°F
(-1.4°C)
1st Coolest
Coolest since:
1978
67th Warmest
Warmest since:
2017
Jun 1975–May 1978
36-Month
53.5°F
(11.9°C)
55.0°F
(12.8°C)
-1.5°F
(-0.9°C)
10th Coolest
Coolest since:
1979
54th Warmest
Warmest since:
2022
Ties: 1966
Jun 1974–May 1978
48-Month
53.7°F
(12.1°C)
54.9°F
(12.7°C)
-1.2°F
(-0.6°C)
13th Coolest
Coolest since:
1964, 1966, 1970, 1980
47th Warmest
Warmest since:
2019, 2020, 2022
Ties: 1961
Jun 1973–May 1978
60-Month
54.2°F
(12.3°C)
54.9°F
(12.7°C)
-0.7°F
(-0.4°C)
22nd Coolest
Coolest since:
1967, 1970
35th Warmest
Warmest since:
2020

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