Montana October-December Average Temperature
Degrees Fahrenheit
1901-2000
-99
189512
30.0
-1.1
189612
28.2
-2.9
189712
28.4
-2.7
189812
27.0
-4.1
189912
32.3
1.2
190012
32.2
1.1
190112
34.4
3.3
190212
29.4
-1.7
190312
32.5
1.4
190412
35.5
4.4
190512
30.7
-0.4
190612
31.2
0.1
190712
34.8
3.7
190812
31.6
0.5
190912
28.5
-2.6
191012
32.9
1.8
191112
27.0
-4.1
191212
33.4
2.3
191312
31.7
0.6
191412
30.7
-0.4
191512
33.0
1.9
191612
25.5
-5.6
191712
31.5
0.4
191812
33.1
2.0
191912
22.7
-8.4
192012
31.2
0.1
192112
31.0
-0.1
192212
29.1
-2.0
192312
32.9
1.8
192412
28.1
-3.0
192512
30.2
-0.9
192612
30.7
-0.4
192712
25.9
-5.2
192812
31.4
0.3
192912
30.6
-0.5
193012
30.8
-0.3
193112
30.9
-0.2
193212
28.9
-2.2
193312
33.0
1.9
193412
34.7
3.6
193512
30.4
-0.7
193612
31.7
0.6
193712
32.0
0.9
193812
32.3
1.2
193912
36.2
5.1
194012
32.0
0.9
194112
32.9
1.8
194212
31.8
0.7
194312
34.5
3.4
194412
32.0
0.9
194512
30.1
-1.0
194612
28.1
-3.0
194712
32.3
1.2
194812
28.8
-2.3
194912
31.4
0.3
195012
31.9
0.8
195112
26.5
-4.6
195212
32.0
0.9
195312
36.9
5.8
195412
35.4
4.3
195512
26.3
-4.8
195612
33.1
2.0
195712
33.2
2.1
195812
32.4
1.3
195912
30.8
-0.3
196012
32.2
1.1
196112
28.7
-2.4
196212
36.1
5.0
196312
33.6
2.5
196412
28.2
-2.9
196512
34.3
3.2
196612
31.0
-0.1
196712
30.8
-0.3
196812
29.3
-1.8
196912
31.5
0.4
197012
28.6
-2.5
197112
28.7
-2.4
197212
27.9
-3.2
197312
31.1
0.0
197412
34.5
3.4
197512
31.4
0.3
197612
32.1
1.0
197712
29.0
-2.1
197812
26.4
-4.7
197912
33.7
2.6
198012
33.9
2.8
198112
32.8
1.7
198212
30.1
-1.0
198312
26.5
-4.6
198412
27.1
-4.0
198512
24.3
-6.8
198612
32.2
1.1
198712
34.2
3.1
198812
33.5
2.4
198912
32.1
1.0
199012
29.6
-1.5
199112
31.5
0.4
199212
29.9
-1.2
199312
31.5
0.4
199412
31.3
0.2
199512
31.2
0.1
199612
26.4
-4.7
199712
33.2
2.1
199812
32.8
1.7
199912
37.7
6.6
200012
27.1
-4.0
200112
33.8
2.7
200212
32.4
1.3
200312
32.2
1.1
200412
34.7
3.6
200512
32.9
1.8
200612
32.1
1.0
200712
32.6
1.5
200812
31.2
0.1
200912
27.9
-3.2
201012
31.1
0.0
201112
34.0
2.9