S
M
T
W
T
F
S
29
54°
40°
30
59°
38°
1
58°
38°
2
57°
28°
3
56°
24°
4
47°
23°
5
42°
22°
6
41°
22°
7
41°
23°
8
44°
27°
9
45°
26°
10
43°
22°
11
39°
21°
12
38°
23°
13
39°
21°
14
39°
20°
15
37°
17°
16
35°
15°
17
34°
23°
18
38°
30°
19
39°
33°
20
47°
28°
21
51°
33°
22
51°
36°
23
52°
37°
24
54°
33°
25
53°
32°
26
50°
33°
27
50°
32°
28
49°
35°
29
52°
36°
30
53°
34°
31
54°
30°
1
52°
23°
2
45°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Seth
Seth's December 2026 forecast shows daily high temperatures ranging from 34° to 59°, with overnight lows between 15° and 40°. The average high for December is 47° with an average low of 28°. 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 Seth. See also: January | February | March.
