S
M
T
W
T
F
S
29
46°
33°
30
45°
33°
1
47°
40°
2
50°
40°
3
50°
38°
4
50°
36°
5
51°
33°
6
52°
32°
7
49°
34°
8
49°
39°
9
52°
37°
10
50°
33°
11
49°
32°
12
49°
34°
13
50°
38°
14
46°
38°
15
54°
37°
16
50°
40°
17
49°
37°
18
50°
39°
19
51°
38°
20
50°
39°
21
48°
40°
22
52°
39°
23
51°
38°
24
48°
34°
25
51°
31°
26
49°
31°
27
44°
32°
28
43°
34°
29
44°
31°
30
44°
41°
31
50°
40°
1
52°
34°
2
51°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Long Beach
Long Beach's December 2026 forecast shows daily high temperatures ranging from 43° to 54°, with overnight lows between 31° and 41°. The average high for December is 49° 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 Long Beach. See also: January | February | March.
