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