Wilmington, Delaware, Average Temperature Rankings, July 2012
1991-2020
Degrees Fahrenheit
1
80.3
77.6
2.7
72
4
1962
1955
2010
2011
top-tenth
2
76.3
75.2
1.1
66
10
1979
2010
2009
2011
top-third
2013
3
73.2
71.3
1.9
73
3
1967
2010
2009
2011
top-tenth
2019
4
68.3
67.0
1.3
71
5
1967
2010
2009
2011
top-tenth
5
64.9
62.2
2.7
72
2
1950
2010
2011
2010
top-tenth
6
60.7
57.8
2.9
73
1
1978
2012
2011
2012
highest
7
57.4
54.3
3.1
73
1
1978
2012
2011
2012
highest
8
55.4
52.3
3.1
72
1
1978
2012
2011
2012
highest
9
54.7
51.7
3.0
71
1
1978
2012
2011
2012
highest
10
54.9
52.3
2.6
71
1
1978
2012
2011
2012
highest
11
56.2
53.8
2.4
71
1
1978
2012
2011
2012
highest
12
57.8
55.6
2.2
71
1
1978
2012
2011
2012
highest
18
58.3
56.4
1.9
69
1
1968
2012
2011
2012
highest
24
56.7
55.6
1.1
65
3
1978
2017
2011
2012
top-tenth
2021,2022
36
56.5
55.6
0.9
59
5
1979
2018,2022
2011
2012
top-tenth
48
55.9
55.5
0.4
53
7
1968,1970,1980
2019,2022
2011
2009
top-third
2008,2009
60
56.0
55.4
0.6
52
5
1967,1968,1970
2020
2011
2002
top-tenth
2002