S
M
T
W
T
F
S
29
52°
34°
30
54°
47°
1
57°
47°
2
58°
46°
3
55°
46°
4
54°
45°
5
55°
43°
6
59°
45°
7
61°
42°
8
57°
38°
9
61°
37°
10
56°
44°
11
67°
32°
12
67°
28°
13
49°
28°
14
50°
30°
15
52°
28°
16
53°
30°
17
55°
42°
18
57°
44°
19
64°
40°
20
65°
40°
21
64°
42°
22
62°
47°
23
66°
29°
24
67°
26°
25
59°
25°
26
46°
26°
27
52°
38°
28
56°
43°
29
61°
43°
30
65°
45°
31
65°
42°
1
67°
34°
2
66°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Benton
Benton's December 2026 forecast shows daily high temperatures ranging from 46° to 67°, with overnight lows between 25° and 47°. The average high for December is 59° with an average low of 38°. 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 Benton. See also: January | February | March.