S
M
T
W
T
F
S
29
48°
45°
30
56°
39°
1
56°
37°
2
51°
40°
3
55°
33°
4
56°
32°
5
42°
33°
6
42°
31°
7
43°
32°
8
43°
38°
9
45°
38°
10
55°
36°
11
51°
36°
12
43°
34°
13
42°
33°
14
42°
31°
15
41°
28°
16
41°
26°
17
38°
28°
18
38°
38°
19
45°
39°
20
47°
34°
21
51°
34°
22
43°
42°
23
52°
43°
24
52°
39°
25
51°
37°
26
50°
37°
27
46°
39°
28
49°
40°
29
50°
40°
30
50°
41°
31
52°
37°
1
52°
36°
2
50°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Atlantic City
Atlantic City's December 2026 forecast shows daily high temperatures ranging from 38° to 56°, with overnight lows between 26° and 45°. The average high for December is 48° with an average low of 36°. 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 City. See also: January | February | March.
