S
M
T
W
T
F
S
30
36°
19°
1
27°
7°
2
28°
16°
3
27°
17°
4
29°
2°
5
27°
-3°
6
33°
16°
7
32°
19°
8
24°
4°
9
37°
5°
10
38°
30°
11
30°
26°
12
32°
25°
13
30°
9°
14
13°
1°
15
20°
2°
16
36°
10°
17
44°
28°
18
55°
33°
19
38°
14°
20
41°
20°
21
34°
20°
22
43°
21°
23
51°
32°
24
43°
26°
25
46°
34°
26
57°
34°
27
41°
38°
28
64°
37°
29
37°
14°
30
23°
15°
31
34°
23°
1
25°
9°
2
25°
13°
3
28°
15°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Ossian
Ossian'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 Ossian. See also: January | February | March.
