S
M
T
W
T
F
S
29
45°
35°
30
47°
34°
1
46°
33°
2
46°
33°
3
41°
32°
4
44°
32°
5
44°
31°
6
41°
29°
7
36°
27°
8
33°
23°
9
31°
25°
10
36°
28°
11
38°
30°
12
39°
30°
13
39°
29°
14
31°
21°
15
32°
23°
16
36°
26°
17
38°
27°
18
34°
23°
19
35°
18°
20
32°
16°
21
29°
15°
22
28°
21°
23
32°
24°
24
33°
24°
25
33°
14°
26
31°
10°
27
27°
9°
28
25°
9°
29
25°
12°
30
26°
21°
31
27°
17°
1
32°
12°
2
26°
9°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Cassopolis
Cassopolis's December 2026 forecast shows daily high temperatures ranging from 25° to 47°, with overnight lows between 9° and 35°. The average high for December is 35° 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 Cassopolis. See also: January | February | March.
