Wyoming December 2019 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
23.0
20.6
2.4
90
40
1909,1983
1980
2018
2017
top-third
1936
2
26.6
24.8
1.8
94
36
1978
1999
2018
2017
top-third
1906,1963,1976
3
29.1
30.7
-1.6
27
103
1919
1999
2009
2018
bottom-third
1925,1970,1990,1992
4
36.0
36.4
-0.4
41
89
1919,1985
2021
2009
2018
bottom-third
1899,1926,1935,1959
5
41.8
41.8
0.0
54
76
1916,1985
2021
2009
2018
normal
1946,1975
6
45.8
45.7
0.1
54
76
1911
2021
2009
2018
normal
1922
7
47.4
47.4
0.0
52
78
1916
2021
2009
2018
normal
1955,1965,1969
8
47.1
47.6
-0.5
44
86
1916
2021
2009
2018
normal
1944,1970
9
46.4
46.6
-0.2
49
81
1916
2021
2009
2018
normal
1922
10
44.5
44.8
-0.3
51
79
1912
2012
2009
2018
normal
1948
11
41.9
42.8
-0.9
36
94
1912
2012
1993
2018
bottom-third
1982,1984
12
40.3
40.8
-0.5
50
80
1895
2012
1993
2018
normal
1919,1970
18
42.4
42.4
0.0
53
76
1912
1934
1993
2018
normal
1902,1918,1937,1947,1970
24
41.3
40.8
0.5
82
47
1917
2016
2009
2018
normal
1947,1959
36
42.0
40.7
1.3
100
28
1913,1917,1918
2017
2011
2018
top-third
1992
48
42.4
40.7
1.7
114
13
1898
2018
2014
2018
top-tenth
2000,2005,2013,2014
60
42.8
40.7
2.1
121
5
1899
2016
2015
2018
top-tenth
2015