S
M
T
W
T
F
S
29
45°
31°
30
45°
30°
1
44°
29°
2
44°
29°
3
42°
28°
4
44°
28°
5
43°
27°
6
37°
25°
7
34°
21°
8
30°
17°
9
31°
22°
10
36°
26°
11
37°
26°
12
40°
25°
13
36°
25°
14
31°
21°
15
33°
21°
16
37°
23°
17
38°
24°
18
34°
20°
19
35°
18°
20
31°
12°
21
32°
13°
22
26°
17°
23
35°
21°
24
33°
19°
25
35°
9°
26
31°
9°
27
26°
7°
28
25°
7°
29
26°
11°
30
25°
17°
31
28°
12°
1
33°
7°
2
24°
6°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Big Bend
Big Bend's December 2026 forecast shows daily high temperatures ranging from 24° to 45°, with overnight lows between 6° and 31°. The average high for December is 34° 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 Big Bend. See also: January | February | March.
