Montana August-January Average Temperature
Degrees Fahrenheit
1901-1947
-99
189601
36.4
-1.5
189701
35.4
-2.5
189801
37.8
-0.1
189901
36.3
-1.6
190001
39.9
2.0
190101
38.2
0.3
190201
39.4
1.5
190301
37.3
-0.6
190401
38.4
0.5
190501
39.7
1.8
190601
39.5
1.6
190701
36.1
-1.8
190801
40.0
2.1
190901
37.2
-0.7
191001
37.5
-0.4
191101
37.3
-0.6
191201
34.4
-3.5
191301
36.6
-1.3
191401
39.6
1.7
191501
37.5
-0.4
191601
35.1
-2.8
191701
34.1
-3.8
191801
37.7
-0.2
191901
40.4
2.5
192001
34.6
-3.3
192101
39.6
1.7
192201
36.7
-1.2
192301
39.1
1.2
192401
38.1
0.2
192501
36.5
-1.4
192601
38.4
0.5
192701
36.3
-1.6
192801
35.1
-2.8
192901
35.5
-2.4
193001
35.1
-2.8
193101
40.2
2.3
193201
38.2
0.3
193301
37.6
-0.3
193401
40.7
2.8
193501
39.0
1.1
193601
37.4
-0.5
193701
35.8
-2.1
193801
40.0
2.1
193901
41.2
3.3
194001
40.0
2.1
194101
40.6
2.7
194201
38.6
0.7
194301
36.8
-1.1
194401
41.2
3.3
194501
38.9
1.0
194601
38.3
0.4
194701
36.7
-1.2