S
M
T
W
T
F
S
29
62°
53°
30
68°
52°
1
72°
46°
2
71°
42°
3
72°
41°
4
60°
40°
5
61°
44°
6
61°
50°
7
68°
51°
8
68°
47°
9
58°
42°
10
72°
52°
11
72°
49°
12
Hist. Avg.
65°
47°
13
Hist. Avg.
65°
47°
14
Hist. Avg.
64°
47°
15
Hist. Avg.
64°
47°
16
Hist. Avg.
64°
46°
17
Hist. Avg.
64°
46°
18
Hist. Avg.
64°
46°
19
Hist. Avg.
64°
46°
20
Hist. Avg.
64°
46°
21
Hist. Avg.
64°
46°
22
Hist. Avg.
63°
46°
23
Hist. Avg.
63°
46°
24
Hist. Avg.
63°
46°
25
Hist. Avg.
63°
46°
26
Hist. Avg.
63°
45°
27
Hist. Avg.
63°
45°
28
Hist. Avg.
63°
45°
29
Hist. Avg.
63°
45°
30
Hist. Avg.
63°
45°
31
Hist. Avg.
63°
45°
1
Hist. Avg.
63°
45°
2
Hist. Avg.
63°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Seabrook
Seabrook's December 2026 forecast shows daily high temperatures ranging from 58° to 72°, with overnight lows between 40° and 53°. The average high for December is 67° with an average low of 47°. 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 Seabrook. See also: January | February | March.
