S
M
T
W
T
F
S
29
58°
39°
30
60°
52°
1
63°
51°
2
64°
51°
3
61°
50°
4
60°
50°
5
59°
46°
6
61°
48°
7
66°
46°
8
59°
42°
9
61°
44°
10
60°
50°
11
73°
38°
12
72°
34°
13
59°
35°
14
56°
37°
15
57°
35°
16
58°
37°
17
57°
49°
18
68°
50°
19
71°
48°
20
70°
48°
21
70°
49°
22
69°
52°
23
72°
37°
24
72°
33°
25
69°
32°
26
54°
35°
27
56°
46°
28
63°
49°
29
68°
49°
30
69°
50°
31
69°
48°
1
71°
43°
2
71°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Sulphur
Sulphur's December 2026 forecast shows daily high temperatures ranging from 54° to 73°, with overnight lows between 32° and 52°. The average high for December is 64° with an average low of 44°. 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 Sulphur. See also: January | February | March.
