S
M
T
W
T
F
S
29
70°
63°
30
73°
63°
1
74°
62°
2
74°
62°
3
71°
60°
4
64°
60°
5
67°
61°
6
64°
59°
7
66°
60°
8
66°
59°
9
63°
60°
10
67°
52°
11
61°
49°
12
61°
50°
13
63°
49°
14
63°
55°
15
64°
60°
16
73°
56°
17
75°
57°
18
69°
59°
19
71°
48°
20
70°
44°
21
63°
46°
22
58°
55°
23
66°
50°
24
75°
45°
25
72°
45°
26
59°
52°
27
61°
49°
28
61°
50°
29
62°
56°
30
65°
55°
31
70°
44°
1
67°
42°
2
60°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Atlantic Beach
Atlantic Beach's December 2026 forecast shows daily high temperatures ranging from 58° to 75°, with overnight lows between 42° and 63°. The average high for December is 67° with an average low of 54°. 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 Atlantic Beach. See also: January | February | March.