Idaho December 1966 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
25.1
23.9
1.2
75
55
1990
1917
1964
1965
normal
1904,1921,1993
2
29.9
27.8
2.1
100
30
1985
1917
1964
1965
top-third
1899,1921,1989,2008
3
34.1
33.2
0.9
84
46
1985
1917
1964
1965
normal
1900,1925,1979
4
40.3
38.6
1.7
104
26
1985
1917
1965
1963
top-third
1906,1980,2010
5
45.0
43.6
1.4
103
27
1985
1917
1965
1963
top-third
1906,1967,1987
6
48.4
47.2
1.2
98
32
1985
1917
1965
1963
top-third
1991,2006
7
49.5
48.5
1.0
93
37
1985
2021
1965
1958
top-third
1910,1977,1981,1989
8
49.9
48.6
1.3
105
25
1916
2021
1965
1958
top-third
1998,2016
9
48.8
47.8
1.0
100
30
1916
2021
1965
1958
top-third
1904,1925,1989
10
47.2
46.3
0.9
94
36
1985
1934
1965
1958
top-third
1986
11
45.2
44.5
0.7
92
38
1985
1934
1965
1963
top-third
1915,1937,1953,1977,1979,1980,1995
12
43.5
42.6
0.9
92
38
1985
1934
1965
1963
top-third
1963,1990,2022
18
44.7
44.1
0.6
83
46
1985
1934
1965
1963
normal
1907,1997,2009
24
43.0
42.6
0.4
82
47
1985
2015,2016
1965
1963
normal
1947,1953,1962,1963,1968
36
42.2
42.6
-0.4
32
96
1913
2016
1965
1965
bottom-third
1905,1919,1920,1937,1945,1964,1965,1973
48
42.5
42.6
-0.1
52
75
1985
2017
1965
1964
normal
1903,1908,1909,1921,1938,1947,1964,1967,1979
60
42.5
42.6
-0.1
50
76
1913,1916
2016,2018
1965
1965
normal
1900,1902,1926,1947,1964,1965,1968,1984