S
M
T
W
T
F
S
29
51°
35°
30
49°
39°
1
51°
39°
2
49°
38°
3
52°
40°
4
41°
35°
5
53°
32°
6
58°
31°
7
46°
29°
8
44°
26°
9
43°
23°
10
40°
21°
11
38°
24°
12
39°
25°
13
39°
28°
14
41°
30°
15
43°
34°
16
47°
31°
17
54°
26°
18
54°
26°
19
40°
24°
20
41°
22°
21
42°
23°
22
38°
22°
23
39°
26°
24
40°
34°
25
47°
37°
26
51°
36°
27
54°
33°
28
53°
30°
29
45°
29°
30
44°
31°
31
44°
28°
1
47°
26°
2
43°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Long Branch
Long Branch's December 2026 forecast shows daily high temperatures ranging from 38° to 58°, with overnight lows between 21° and 40°. 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 Long Branch. See also: January | February | March.