S
M
T
W
T
F
S
29
64°
42°
30
65°
42°
1
65°
42°
2
66°
44°
3
67°
45°
4
70°
46°
5
71°
40°
6
64°
43°
7
66°
45°
8
70°
45°
9
71°
44°
10
70°
46°
11
70°
45°
12
69°
46°
13
71°
46°
14
71°
45°
15
70°
46°
16
70°
45°
17
71°
46°
18
70°
46°
19
71°
43°
20
71°
42°
21
66°
38°
22
63°
37°
23
62°
40°
24
64°
45°
25
65°
44°
26
64°
41°
27
64°
41°
28
63°
40°
29
65°
41°
30
65°
43°
31
66°
42°
1
65°
43°
2
66°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Capistrano Beach
Capistrano Beach's December 2026 forecast shows daily high temperatures ranging from 62° to 71°, with overnight lows between 37° and 46°. The average high for December is 67° with an average low of 43°. 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 Capistrano Beach. See also: January | February | March.
