S
M
T
W
T
F
S
29
63°
55°
30
72°
53°
1
72°
54°
2
70°
57°
3
71°
54°
4
72°
53°
5
68°
53°
6
69°
56°
7
71°
55°
8
73°
55°
9
71°
48°
10
72°
41°
11
63°
42°
12
59°
48°
13
62°
41°
14
64°
39°
15
59°
46°
16
58°
44°
17
66°
44°
18
61°
45°
19
57°
48°
20
60°
53°
21
68°
54°
22
71°
51°
23
71°
39°
24
69°
43°
25
57°
46°
26
65°
50°
27
54°
38°
28
67°
50°
29
70°
40°
30
Hist. Avg.
64°
49°
31
Hist. Avg.
63°
49°
1
Hist. Avg.
63°
49°
2
Hist. Avg.
63°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Crystal Beach
Crystal Beach's December 2026 forecast shows daily high temperatures ranging from 54° to 73°, with overnight lows between 38° and 57°. The average high for December is 66° with an average low of 48°. 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 Crystal Beach. See also: January | February | March.