S
M
T
W
T
F
S
29
68°
36°
30
61°
38°
1
61°
37°
2
62°
35°
3
63°
37°
4
62°
38°
5
61°
38°
6
62°
40°
7
64°
38°
8
63°
43°
9
62°
44°
10
63°
44°
11
67°
43°
12
68°
44°
13
66°
43°
14
65°
44°
15
67°
44°
16
67°
45°
17
66°
40°
18
60°
40°
19
60°
44°
20
61°
43°
21
63°
44°
22
62°
42°
23
60°
45°
24
61°
43°
25
62°
38°
26
59°
39°
27
62°
39°
28
61°
38°
29
61°
38°
30
61°
45°
31
61°
43°
1
Hist. Avg.
64°
40°
2
Hist. Avg.
64°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Goleta
Goleta's December 2026 forecast shows daily high temperatures ranging from 59° to 68°, with overnight lows between 35° and 45°. The average high for December is 63° with an average low of 41°. 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 Goleta. See also: January | February | March.