S
M
T
W
T
F
S
29
49°
35°
30
50°
35°
1
51°
36°
2
50°
34°
3
50°
29°
4
43°
24°
5
49°
31°
6
50°
32°
7
41°
29°
8
37°
23°
9
36°
21°
10
36°
22°
11
35°
28°
12
36°
27°
13
36°
25°
14
34°
17°
15
34°
21°
16
35°
25°
17
37°
28°
18
36°
26°
19
41°
22°
20
37°
16°
21
35°
16°
22
32°
18°
23
30°
22°
24
32°
20°
25
35°
22°
26
33°
16°
27
32°
13°
28
30°
9°
29
28°
10°
30
30°
24°
31
37°
19°
1
41°
15°
2
31°
11°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Seward
Seward's December 2026 forecast shows daily high temperatures ranging from 28° to 51°, with overnight lows between 9° and 36°. The average high for December is 38° with an average low of 23°. 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 Seward. See also: January | February | March.
