S
M
T
W
T
F
S
29
47°
27°
30
37°
22°
1
32°
20°
2
34°
26°
3
45°
27°
4
44°
26°
5
36°
26°
6
34°
22°
7
29°
20°
8
33°
25°
9
42°
25°
10
43°
24°
11
42°
25°
12
41°
24°
13
42°
25°
14
36°
22°
15
38°
24°
16
37°
18°
17
38°
15°
18
33°
8°
19
31°
5°
20
23°
8°
21
23°
20°
22
36°
19°
23
35°
12°
24
33°
15°
25
32°
19°
26
35°
20°
27
38°
18°
28
36°
13°
29
34°
14°
30
32°
6°
31
28°
3°
1
21°
9°
2
23°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Butte
Butte's December 2026 forecast shows daily high temperatures ranging from 21° to 47°, with overnight lows between 3° and 27°. The average high for December is 35° with an average low of 19°. 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 Butte. See also: January | February | March.
