S
M
T
W
T
F
S
29
41°
11°
30
30°
11°
1
30°
19°
2
36°
19°
3
39°
20°
4
38°
20°
5
38°
19°
6
37°
17°
7
36°
17°
8
35°
13°
9
35°
5°
10
31°
4°
11
23°
5°
12
26°
8°
13
27°
7°
14
25°
6°
15
28°
4°
16
26°
0°
17
20°
11°
18
26°
14°
19
33°
14°
20
34°
13°
21
34°
6°
22
32°
1°
23
24°
-1°
24
18°
5°
25
19°
7°
26
27°
12°
27
30°
10°
28
30°
1°
29
25°
9°
30
22°
9°
31
28°
10°
1
27°
6°
2
26°
7°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Sedan
Sedan's December 2026 forecast shows daily high temperatures ranging from 18° to 41°, with overnight lows between -1° and 20°. The average high for December is 30° with an average low of 10°. 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 Sedan. See also: January | February | March.
