S
M
T
W
T
F
S
29
65°
57°
30
65°
54°
1
66°
59°
2
71°
62°
3
70°
61°
4
73°
55°
5
75°
49°
6
75°
50°
7
63°
55°
8
66°
60°
9
74°
50°
10
74°
55°
11
64°
48°
12
63°
46°
13
61°
47°
14
59°
53°
15
65°
60°
16
72°
56°
17
74°
53°
18
72°
57°
19
68°
48°
20
68°
46°
21
64°
47°
22
60°
51°
23
61°
57°
24
66°
58°
25
70°
48°
26
72°
46°
27
69°
45°
28
60°
46°
29
61°
51°
30
63°
55°
31
66°
54°
1
67°
56°
2
67°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Neptune Beach
Neptune Beach's December 2026 forecast shows daily high temperatures ranging from 59° to 75°, with overnight lows between 45° and 62°. The average high for December is 67° with an average low of 53°. 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 Neptune Beach. See also: January | February | March.
