S
M
T
W
T
F
S
29
58°
43°
30
63°
42°
1
61°
43°
2
61°
42°
3
60°
40°
4
50°
37°
5
56°
40°
6
58°
40°
7
58°
38°
8
50°
35°
9
48°
34°
10
47°
32°
11
50°
31°
12
46°
30°
13
47°
29°
14
50°
26°
15
45°
33°
16
50°
38°
17
60°
37°
18
59°
38°
19
57°
32°
20
56°
22°
21
55°
23°
22
43°
26°
23
46°
36°
24
57°
27°
25
61°
25°
26
44°
27°
27
46°
29°
28
45°
30°
29
47°
36°
30
51°
37°
31
59°
26°
1
60°
22°
2
47°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Seaboard
Seaboard's December 2026 forecast shows daily high temperatures ranging from 43° to 63°, with overnight lows between 18° and 43°. The average high for December is 53° 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 Seaboard. See also: January | February | March.
