Contiguous U.S., Average Temperature Rankings, December 2015
1901-2000
Degrees Fahrenheit
1
38.66
32.68
5.98
127
2
1983
2021
2014
2015
top-tenth
2
41.63
37.19
4.44
125
4
2000
2021
2014
2001
top-tenth
3
46.83
42.83
4.00
127
2
1898
2021
2014
2015
top-tenth
4
52.26
48.34
3.92
127
2
1976
2021
2014
2015
top-tenth
5
56.40
53.09
3.31
127
2
1976
2021
2014
2015
top-tenth
6
59.32
56.51
2.81
127
2
1976
2021
2014
2015
top-tenth
7
61.04
58.22
2.82
127
2
1976
2021
2014
2015
top-tenth
8
61.02
58.47
2.55
127
2
1976
2021
2014
2015
top-tenth
9
60.15
57.64
2.51
127
2
1917
2021
2014
2015
top-tenth
10
58.68
56.03
2.65
125
4
1917
2012
2014
2012
top-tenth
11
56.34
54.01
2.33
125
4
1917
2012
2014
2012
top-tenth
12
54.40
52.02
2.38
124
5
1917
2012
2014
2012
top-tenth
18
55.42
53.52
1.90
118
10
1917
2012,2016
2014
2012
top-tenth
24
53.47
52.02
1.45
113
15
1917
2017
2014
2013
top-third
36
53.12
52.01
1.11
106
21
1917
2017
2011
2014
top-third
48
53.66
52.00
1.66
118
8
1917
2018
2014
2007
top-tenth
2007
60
53.57
51.99
1.58
115
10
1920
2019,2020
2014
2007
top-tenth