S
M
T
W
T
F
S
29
40°
25°
30
40°
26°
1
41°
28°
2
44°
33°
3
43°
34°
4
49°
36°
5
48°
37°
6
44°
35°
7
44°
33°
8
39°
30°
9
40°
26°
10
39°
24°
11
53°
37°
12
54°
26°
13
55°
24°
14
39°
22°
15
37°
25°
16
40°
21°
17
37°
26°
18
43°
34°
19
44°
36°
20
51°
36°
21
52°
34°
22
51°
35°
23
50°
36°
24
55°
31°
25
54°
23°
26
53°
19°
27
35°
25°
28
42°
31°
29
49°
33°
30
48°
35°
31
52°
36°
1
51°
31°
2
52°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Sandy Hook
Sandy Hook's December 2026 forecast shows daily high temperatures ranging from 35° to 55°, with overnight lows between 19° and 37°. The average high for December is 46° with an average low of 30°. 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 Sandy Hook. See also: January | February | March.