S
M
T
W
T
F
S
29
59°
35°
30
57°
27°
1
43°
24°
2
44°
28°
3
54°
33°
4
51°
33°
5
46°
30°
6
46°
27°
7
42°
22°
8
40°
23°
9
45°
27°
10
47°
32°
11
51°
31°
12
54°
30°
13
50°
31°
14
44°
24°
15
46°
24°
16
46°
23°
17
41°
14°
18
39°
15°
19
40°
14°
20
36°
19°
21
40°
25°
22
43°
20°
23
40°
21°
24
44°
18°
25
40°
21°
26
48°
28°
27
50°
26°
28
45°
22°
29
41°
23°
30
40°
18°
31
41°
14°
1
38°
19°
2
40°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Arnett
Arnett's December 2026 forecast shows daily high temperatures ranging from 36° to 59°, with overnight lows between 14° and 35°. The average high for December is 45° with an average low of 24°. 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 Arnett. See also: January | February | March.
