S
M
T
W
T
F
S
29
50°
40°
30
51°
40°
1
51°
39°
2
50°
39°
3
50°
40°
4
46°
38°
5
48°
38°
6
48°
37°
7
47°
38°
8
46°
40°
9
47°
37°
10
49°
38°
11
47°
39°
12
47°
37°
13
49°
38°
14
46°
38°
15
45°
37°
16
43°
37°
17
43°
31°
18
42°
29°
19
41°
28°
20
40°
29°
21
39°
31°
22
40°
29°
23
41°
29°
24
40°
27°
25
40°
27°
26
39°
28°
27
38°
29°
28
42°
31°
29
43°
32°
30
44°
34°
31
43°
33°
1
41°
30°
2
40°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Brinnon
Brinnon's December 2026 forecast shows daily high temperatures ranging from 38° to 51°, with overnight lows between 27° and 40°. The average high for December is 44° with an average low of 34°. 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 Brinnon. See also: January | February | March.
