S
M
T
W
T
F
S
29
36°
22°
30
38°
21°
1
40°
23°
2
38°
23°
3
41°
22°
4
40°
24°
5
39°
22°
6
38°
18°
7
34°
15°
8
32°
21°
9
33°
20°
10
36°
21°
11
35°
19°
12
34°
20°
13
32°
22°
14
34°
18°
15
36°
15°
16
30°
18°
17
30°
17°
18
31°
10°
19
31°
7°
20
27°
7°
21
26°
11°
22
26°
13°
23
27°
6°
24
27°
6°
25
24°
4°
26
25°
7°
27
24°
8°
28
29°
10°
29
30°
11°
30
31°
14°
31
30°
13°
1
28°
6°
2
36°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Bozeman
Bozeman's December 2026 forecast shows daily high temperatures ranging from 24° to 41°, with overnight lows between 4° and 24°. The average high for December is 32° with an average low of 15°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Bozeman. See also: January | February | March.
