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