S
M
T
W
T
F
S
29
57°
31°
30
48°
24°
1
41°
22°
2
43°
29°
3
54°
29°
4
46°
28°
5
44°
29°
6
43°
23°
7
40°
21°
8
39°
24°
9
49°
28°
10
52°
28°
11
51°
27°
12
53°
28°
13
52°
28°
14
44°
25°
15
47°
25°
16
48°
19°
17
42°
14°
18
40°
12°
19
41°
13°
20
36°
17°
21
41°
20°
22
42°
18°
23
43°
19°
24
44°
18°
25
41°
21°
26
49°
25°
27
51°
24°
28
46°
19°
29
42°
19°
30
41°
13°
31
39°
11°
1
37°
19°
2
39°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Copeland
Copeland's December 2026 forecast shows daily high temperatures ranging from 36° to 57°, with overnight lows between 11° and 31°. The average high for December is 45° with an average low of 22°. 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 Copeland. See also: January | February | March.