Philadelphia, Pennsylvania January 2021 Average Temperature Rankings
1991-2020
Degrees Fahrenheit
1
36.5
34.5
2.0
62
23
1977
2023
2019
2020
top-third
2
38.0
37.1
0.9
61
24
1977
2016
2019
2020
top-third
3
43.0
40.7
2.3
77
7
1977
2016
2020
2016
top-tenth
4
47.3
45.3
2.0
79
5
1977
2016
2020
2016
top-tenth
2022,2023
5
51.9
50.4
1.5
73
11
1977
2016
2020
2017
top-third
1999
6
56.4
54.9
1.5
75
9
1977
2016
2020
2017
top-third
1999,2008
7
60.1
58.4
1.7
77
7
1977
2016
2020
2017
top-tenth
2022
8
62.1
60.4
1.7
77
6
1977
2016
2020
2017
top-tenth
2002
9
62.1
60.9
1.2
73
10
1977
2016
2019
2020
top-third
2006,2008
10
61.1
60.4
0.7
70
13
1977
2016
2019
2020
top-third
2008
11
60.1
58.9
1.2
72
10
1977
2016
2019
2020
top-third
12
58.5
57.1
1.4
77
5
1948
2013
2020
2017
top-tenth
18
57.7
56.3
1.4
76
5
1964
2017
2020
2017
top-tenth
2022,2024
24
58.5
57.0
1.5
75
4
1964
2013
2020
2017
top-tenth
2012,2022,2024
36
58.1
57.0
1.1
69
7
1963
2013
2020
2018
top-tenth
48
58.0
56.9
1.1
65
8
1964
2023
2018
2020
top-third
60
58.2
56.9
1.3
67
3
1965,1970
2024
2020
2021
top-tenth