S
M
T
W
T
F
S
29
50°
34°
30
51°
35°
1
54°
38°
2
60°
31°
3
50°
31°
4
49°
39°
5
55°
46°
6
61°
44°
7
62°
38°
8
62°
32°
9
53°
38°
10
55°
42°
11
54°
41°
12
53°
37°
13
50°
31°
14
47°
29°
15
45°
34°
16
49°
38°
17
52°
41°
18
49°
43°
19
55°
45°
20
60°
40°
21
62°
36°
22
58°
39°
23
49°
33°
24
49°
41°
25
54°
40°
26
56°
33°
27
50°
27°
28
51°
30°
29
45°
24°
30
42°
23°
31
41°
22°
1
39°
28°
2
46°
29°
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 39° to 62°, with overnight lows between 22° and 46°. The average high for December is 52° with an average low of 35°. 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.
