S
M
T
W
T
F
S
29
43°
26°
30
42°
27°
1
45°
25°
2
40°
24°
3
37°
25°
4
42°
25°
5
44°
24°
6
41°
24°
7
37°
23°
8
35°
22°
9
36°
22°
10
35°
23°
11
39°
23°
12
40°
22°
13
42°
23°
14
42°
22°
15
41°
23°
16
44°
23°
17
41°
21°
18
36°
20°
19
37°
20°
20
37°
21°
21
33°
20°
22
29°
18°
23
39°
23°
24
42°
23°
25
36°
13°
26
36°
7°
27
37°
13°
28
35°
10°
29
31°
7°
30
30°
13°
31
30°
15°
1
35°
13°
2
36°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Choteau
Choteau's December 2026 forecast shows daily high temperatures ranging from 29° to 45°, with overnight lows between 7° and 27°. The average high for December is 38° with an average low of 20°. 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 Choteau. See also: January | February | March.
