S
M
T
W
T
F
S
29
68°
45°
30
66°
40°
1
66°
42°
2
67°
45°
3
67°
44°
4
65°
45°
5
66°
42°
6
64°
41°
7
62°
39°
8
65°
40°
9
64°
43°
10
63°
41°
11
62°
40°
12
62°
43°
13
67°
45°
14
67°
42°
15
66°
43°
16
64°
38°
17
64°
40°
18
62°
37°
19
60°
37°
20
59°
36°
21
59°
37°
22
60°
38°
23
61°
36°
24
60°
36°
25
60°
35°
26
59°
36°
27
60°
35°
28
61°
38°
29
62°
40°
30
64°
39°
31
63°
40°
1
61°
35°
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 40°. 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.
