S
M
T
W
T
F
S
29
51°
33°
30
46°
31°
1
45°
33°
2
45°
41°
3
53°
40°
4
58°
35°
5
51°
34°
6
46°
35°
7
50°
37°
8
53°
39°
9
52°
33°
10
52°
39°
11
Hist. Avg.
45°
32°
12
Hist. Avg.
45°
32°
13
Hist. Avg.
45°
32°
14
Hist. Avg.
45°
31°
15
Hist. Avg.
44°
31°
16
Hist. Avg.
44°
31°
17
Hist. Avg.
44°
30°
18
Hist. Avg.
44°
30°
19
Hist. Avg.
43°
30°
20
Hist. Avg.
43°
30°
21
Hist. Avg.
43°
30°
22
Hist. Avg.
43°
29°
23
Hist. Avg.
42°
29°
24
Hist. Avg.
42°
29°
25
Hist. Avg.
42°
29°
26
Hist. Avg.
42°
28°
27
Hist. Avg.
41°
28°
28
Hist. Avg.
41°
28°
29
Hist. Avg.
41°
28°
30
Hist. Avg.
41°
28°
31
Hist. Avg.
41°
27°
1
Hist. Avg.
40°
27°
2
Hist. Avg.
40°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Seaford
Seaford's December 2026 forecast shows daily high temperatures ranging from 45° to 58°, with overnight lows between 31° and 41°. The average high for December is 50° with an average low of 36°. 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 Seaford. See also: January | February | March.
