Philadelphia, Pennsylvania December 1964 Average Temperature Rankings
1991-2020
Degrees Fahrenheit
1
38.7
39.5
-0.8
49
36
1989
2015
1963
1957
normal
1940,1992,2004
2
43.5
43.9
-0.4
54
30
1976,1989
2015
1963
1957
normal
1946,1973
3
47.0
48.9
-1.9
34
50
1976
2015
1963
1959
normal
4
52.3
54.4
-2.1
28
56
1976
2015
1963
1961
bottom-third
1965
5
56.6
59.0
-2.4
23
61
1976
2015
1963
1961
bottom-third
6
60.1
62.5
-2.4
21
63
1976
2015
1963
1961
bottom-third
1996
7
62.0
64.1
-2.1
23
60
1976
2015
1963
1959
bottom-third
1946,1948,1956,1966,1996
8
62.6
64.3
-1.7
34
49
1976
2015
1963
1959
normal
9
61.4
63.3
-1.9
29
54
1950
2015
1963
1959
normal
10
59.7
61.4
-1.7
31
51
1950
2015
1963
1957
normal
1952
11
57.2
59.2
-2.0
26
56
1958
2012
1963
1957
bottom-third
1941
12
55.3
57.1
-1.8
32
50
1958
2012
1963
1957
normal
1980,2003
18
56.5
58.9
-2.4
18
63
1963
2012,2016
1963
1960
bottom-third
1982
24
54.4
57.1
-2.7
9
70
1963
2012
1963
1958
bottom-third
1968,1969,1978
36
54.2
57.1
-2.9
3
73
1963
2012
1963
1958
bottom-tenth
1967
48
54.2
57.0
-2.8
2
71
1963
2023
1963
1958
bottom-tenth
1965
60
54.2
57.0
-2.8
1
69
1964,1965,1966
2023
1964
1958
lowest
1965,1966