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