S
M
T
W
T
F
S
29
54°
39°
30
57°
32°
1
51°
26°
2
42°
25°
3
47°
35°
4
52°
37°
5
47°
35°
6
42°
29°
7
41°
24°
8
39°
23°
9
40°
26°
10
42°
29°
11
46°
28°
12
50°
30°
13
47°
31°
14
44°
28°
15
45°
29°
16
44°
29°
17
40°
23°
18
39°
20°
19
38°
17°
20
35°
16°
21
34°
24°
22
40°
26°
23
39°
23°
24
38°
18°
25
36°
23°
26
37°
24°
27
38°
24°
28
39°
22°
29
37°
23°
30
37°
21°
31
38°
18°
1
35°
15°
2
33°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Arma
Arma's December 2026 forecast shows daily high temperatures ranging from 33° to 57°, with overnight lows between 15° and 39°. The average high for December is 42° 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 Arma. See also: January | February | March.
