S
M
T
W
T
F
S
29
70°
48°
30
68°
48°
1
71°
39°
2
56°
35°
3
57°
34°
4
58°
45°
5
67°
40°
6
57°
35°
7
56°
34°
8
55°
34°
9
55°
33°
10
56°
32°
11
56°
33°
12
57°
33°
13
60°
40°
14
59°
37°
15
59°
35°
16
58°
36°
17
59°
35°
18
58°
32°
19
55°
30°
20
54°
32°
21
56°
33°
22
59°
32°
23
55°
32°
24
53°
31°
25
55°
31°
26
55°
32°
27
56°
32°
28
57°
33°
29
57°
32°
30
54°
32°
31
56°
30°
1
54°
30°
2
54°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Buna
Buna's December 2026 forecast shows daily high temperatures ranging from 53° to 71°, with overnight lows between 30° and 48°. The average high for December is 58° with an average low of 35°. 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 Buna. See also: January | February | March.