S
M
T
W
T
F
S
29
46°
34°
30
44°
34°
1
44°
34°
2
46°
36°
3
49°
37°
4
46°
35°
5
46°
33°
6
43°
36°
7
47°
34°
8
46°
33°
9
46°
36°
10
48°
36°
11
47°
33°
12
45°
37°
13
48°
37°
14
49°
36°
15
50°
37°
16
49°
36°
17
48°
31°
18
44°
28°
19
42°
31°
20
46°
36°
21
47°
32°
22
43°
32°
23
45°
30°
24
44°
28°
25
44°
28°
26
46°
30°
27
47°
29°
28
44°
29°
29
44°
33°
30
42°
30°
31
44°
32°
1
42°
31°
2
43°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Sequim
Sequim's December 2026 forecast shows daily high temperatures ranging from 42° to 50°, with overnight lows between 27° and 37°. The average high for December is 46° with an average low of 33°. 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 Sequim. See also: January | February | March.
