S
M
T
W
T
F
S
29
62°
51°
30
62°
46°
1
61°
45°
2
63°
46°
3
61°
48°
4
65°
48°
5
66°
49°
6
67°
51°
7
68°
49°
8
61°
44°
9
64°
47°
10
68°
51°
11
68°
52°
12
67°
51°
13
67°
50°
14
67°
48°
15
66°
47°
16
68°
44°
17
64°
46°
18
62°
45°
19
63°
47°
20
65°
47°
21
65°
45°
22
66°
47°
23
63°
47°
24
64°
48°
25
67°
50°
26
67°
44°
27
65°
46°
28
62°
48°
29
63°
50°
30
67°
50°
31
69°
49°
1
69°
51°
2
68°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Del Mar
Del Mar's December 2026 forecast shows daily high temperatures ranging from 61° to 69°, with overnight lows between 43° and 52°. The average high for December is 65° with an average low of 48°. 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 Del Mar. See also: January | February | March.
