S
M
T
W
T
F
S
29
63°
43°
30
63°
44°
1
62°
42°
2
64°
43°
3
63°
42°
4
64°
47°
5
64°
46°
6
59°
42°
7
63°
42°
8
61°
41°
9
63°
43°
10
61°
42°
11
60°
40°
12
60°
40°
13
59°
42°
14
62°
43°
15
63°
43°
16
64°
42°
17
63°
44°
18
62°
37°
19
55°
38°
20
54°
35°
21
52°
35°
22
52°
36°
23
53°
35°
24
53°
35°
25
52°
36°
26
53°
36°
27
52°
35°
28
55°
37°
29
56°
38°
30
57°
39°
31
56°
40°
1
54°
35°
2
59°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Bannock
Bannock's December 2026 forecast shows daily high temperatures ranging from 52° to 64°, with overnight lows between 35° and 47°. The average high for December is 59° with an average low of 40°. 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 Bannock. See also: January | February | March.
