S
M
T
W
T
F
S
29
59°
40°
30
60°
38°
1
59°
30°
2
45°
26°
3
47°
29°
4
54°
36°
5
51°
34°
6
44°
29°
7
44°
25°
8
42°
24°
9
42°
23°
10
43°
27°
11
48°
27°
12
52°
30°
13
49°
30°
14
46°
28°
15
46°
30°
16
44°
32°
17
45°
28°
18
43°
23°
19
42°
21°
20
40°
20°
21
39°
23°
22
44°
28°
23
44°
25°
24
42°
22°
25
40°
21°
26
40°
23°
27
42°
23°
28
42°
22°
29
41°
26°
30
41°
23°
31
42°
21°
1
40°
18°
2
38°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Cotter
Cotter's December 2026 forecast shows daily high temperatures ranging from 38° to 60°, with overnight lows between 18° and 40°. The average high for December is 45° with an average low of 26°. 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 Cotter. See also: January | February | March.
