S
M
T
W
T
F
S
29
54°
40°
30
55°
42°
1
59°
47°
2
57°
47°
3
55°
46°
4
55°
43°
5
56°
41°
6
57°
46°
7
57°
43°
8
56°
45°
9
57°
43°
10
58°
44°
11
58°
45°
12
57°
44°
13
56°
44°
14
57°
45°
15
55°
43°
16
55°
44°
17
53°
42°
18
Hist. Avg.
55°
39°
19
Hist. Avg.
55°
39°
20
Hist. Avg.
55°
39°
21
Hist. Avg.
54°
39°
22
Hist. Avg.
54°
39°
23
Hist. Avg.
54°
39°
24
Hist. Avg.
54°
39°
25
Hist. Avg.
54°
39°
26
Hist. Avg.
54°
39°
27
Hist. Avg.
54°
39°
28
Hist. Avg.
54°
39°
29
Hist. Avg.
54°
39°
30
Hist. Avg.
54°
39°
31
Hist. Avg.
54°
39°
1
Hist. Avg.
55°
40°
2
Hist. Avg.
55°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Gualala
Gualala's December 2026 forecast shows daily high temperatures ranging from 53° to 59°, with overnight lows between 40° and 47°. The average high for December is 56° with an average low of 44°. 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 Gualala. See also: January | February | March.
