Helena, Montana January 2017 Average Temperature Rankings
1991-2020
Degrees Fahrenheit
1
12.5
23.6
-11.1
10
76
1949,1950
2006
1996
2016
bottom-third
2
14.4
23.5
-9.1
8
77
1949
1958,1994,2021
1993
2016
bottom-tenth
3
23.8
27.0
-3.2
24
61
1979
2000
2010
2016
bottom-third
1978
4
30.1
31.8
-1.7
30
54
1979
2000
2010
2016
normal
5
35.9
37.3
-1.4
28
56
1979
2002
2010
2016
bottom-third
1966
6
41.5
42.7
-1.2
32
52
1986
2002
2010
2016
normal
1955
7
45.8
46.8
-1.0
36
48
1979
2002
2011
2016
normal
1955,2005
8
48.5
48.8
-0.3
52
32
1952
2022
2011
2016
normal
1970
9
49.2
49.4
-0.2
54
30
1952
2002
2011
2016
normal
1953,2023
10
49.4
49.0
0.4
64
20
1952
2002
2012
2016
top-third
1939,1958,2020
11
48.7
47.9
0.8
68
14
1952
2016
2012
2016
top-third
1967,1995
12
47.9
46.2
1.7
77
5
1952
2016
2012
2016
top-tenth
18
46.7
44.9
1.8
77
3
1952
2013,2022
2012
2013
top-tenth
2000
24
48.6
46.1
2.5
77
1
1950
2017
2013
2017
highest
36
-99
46.1
-99
-99
-99
1952
2018
normal
48
-99
46.1
-99
-99
-99
1952
2019
normal
60
-99
46.1
-99
-99
-99
1952,1953
2002
normal