S
M
T
W
T
F
S
29
62°
31°
30
59°
29°
1
49°
29°
2
48°
30°
3
50°
36°
4
53°
44°
5
55°
46°
6
65°
40°
7
65°
34°
8
49°
36°
9
51°
39°
10
49°
37°
11
52°
30°
12
48°
33°
13
46°
28°
14
45°
26°
15
43°
27°
16
45°
29°
17
45°
28°
18
44°
33°
19
46°
38°
20
51°
42°
21
56°
37°
22
58°
38°
23
51°
32°
24
49°
26°
25
43°
26°
26
43°
27°
27
47°
28°
28
47°
30°
29
48°
26°
30
44°
28°
31
47°
27°
1
49°
29°
2
54°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Seaton
Seaton's December 2026 forecast shows daily high temperatures ranging from 43° to 65°, with overnight lows between 26° and 46°. The average high for December is 50° with an average low of 32°. 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 Seaton. See also: January | February | March.
