S
M
T
W
T
F
S
30
45°
37°
1
43°
29°
2
44°
26°
3
43°
32°
4
47°
32°
5
44°
30°
6
53°
30°
7
56°
45°
8
58°
43°
9
44°
33°
10
46°
33°
11
48°
42°
12
42°
35°
13
37°
32°
14
35°
30°
15
39°
27°
16
35°
28°
17
44°
33°
18
47°
32°
19
52°
33°
20
49°
42°
21
42°
35°
22
36°
32°
23
35°
33°
24
37°
32°
25
34°
32°
26
36°
28°
27
37°
23°
28
39°
23°
29
30°
23°
30
35°
23°
31
33°
16°
1
34°
14°
2
38°
19°
3
31°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Seppois-le-Bas
Seppois-le-Bas's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Seppois-le-Bas. See also: January | February | March.