S
M
T
W
T
F
S
29
51°
41°
30
60°
41°
1
59°
42°
2
62°
39°
3
50°
36°
4
55°
33°
5
58°
40°
6
59°
36°
7
48°
34°
8
47°
31°
9
47°
32°
10
46°
27°
11
45°
25°
12
45°
25°
13
48°
24°
14
48°
25°
15
47°
30°
16
47°
35°
17
50°
37°
18
56°
32°
19
54°
23°
20
47°
21°
21
44°
22°
22
44°
24°
23
46°
26°
24
44°
24°
25
44°
22°
26
43°
22°
27
44°
23°
28
44°
23°
29
46°
27°
30
50°
28°
31
55°
23°
1
47°
19°
2
43°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Buchanan
Buchanan's December 2026 forecast shows daily high temperatures ranging from 43° to 62°, with overnight lows between 18° and 42°. The average high for December is 49° with an average low of 29°. 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 Buchanan. See also: January | February | March.
