Montana August 1990 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
66.1
64.1
2.0
96
34
1911
1971,2003
1989
1984
top-third
2
65.9
64.9
1.0
84
46
1993
2003
1987
1989
normal
1981
3
63.5
62.7
0.8
88
42
1993
1936
1987
1989
top-third
1973,2002,2018
4
59.9
59.6
0.3
74
56
1907
1936
1982
1989
normal
1923,1966,1976
5
56.3
55.8
0.5
80
50
1907
1936,1988
1989
1989
normal
1946,1989
6
52.5
51.4
1.1
92
38
1899
1988
1989
1988
top-third
1901,1937,1984
7
48.4
47.1
1.3
94
36
1899
2016
1989
1988
top-third
1994,2001,2004
8
45.6
43.3
2.3
105
25
1899
1934
1989
1988
top-third
1921,1991
9
42.7
40.8
1.9
100
29
1899
2012
1989
1988
top-third
1977
10
41.8
39.7
2.1
107
22
1899
2000
1989
1988
top-third
1940,1983,1999
11
41.9
40.0
1.9
105
24
1899
2000,2016
1989
1988
top-third
1940,1963,1983,2022
12
42.9
41.1
1.8
104
25
1899
2016
1989
1988
top-third
1926,1991,2013
18
45.7
44.6
1.1
97
32
1899
2016
1986
1989
top-third
1935,1939,1958,1977,2001,2018
24
42.0
41.1
0.9
86
42
1917
2016
1986
1989
top-third
1919,1982
36
42.9
41.1
1.8
110
17
1899,1952
2017
1987
1989
top-third
2013,2015
48
43.0
41.1
1.9
117
9
1952
2017,2018
1989
1990
top-tenth
2000,2002,2003
60
42.6
41.1
1.5
109
16
1952
2016
1989
1990
top-third
2005,2010