Wilmington, Delaware May 1964 Average Temperature Rankings
1991-2020
Degrees Fahrenheit
1
64.4
63.5
0.9
59
23
1967
2004
1963
1959
top-third
2
57.0
58.6
-1.6
24
56
1967
2019
1963
1962
bottom-third
1979,1987,1990
3
52.4
53.5
-1.1
33
45
1950,1967
2012
1963
1963
normal
1963,1981,2001,2018
4
47.2
49.0
-1.8
29
49
1934,1978
2012
1963
1962
normal
1975,1980,1992
5
44.5
45.9
-1.4
32
46
1978
2023
1963
1959
normal
1950,1993
6
41.8
44.6
-2.8
15
63
1978
2012
1963
1962
bottom-third
1966,1968,1979,1994
7
42.7
44.9
-2.2
22
55
1978
2012
1963
1962
bottom-third
1959,1969,2015
8
44.7
46.4
-1.7
27
49
1978
2012
1963
1962
normal
1962,2001,2015
9
46.8
48.9
-2.1
21
55
1978
2012
1963
1962
bottom-third
2014
10
49.3
51.6
-2.3
13
63
1934
2012,2023
1963
1962
bottom-third
11
51.8
53.9
-2.1
13
63
1963
2012
1963
1962
bottom-third
1951,1965,1979,2001
12
53.4
55.5
-2.1
14
62
1963,1978
2012
1963
1962
bottom-third
1979
18
49.1
51.8
-2.7
6
67
1979
2017,2023
1963
1962
bottom-tenth
24
52.7
55.4
-2.7
2
69
1978
2017,2023
1964
1963
bottom-tenth
1979
36
53.2
55.3
-2.1
6
60
1979
2023
1963
1962
bottom-tenth
1969,1980
48
53.0
55.3
-2.3
1
60
1964,1966,1970
2023
1964
1963
lowest
1966,1970
60
53.4
55.2
-1.8
10
48
1967
2023
1963
1963
bottom-third
1963