S
M
T
W
T
F
S
29
44°
27°
30
48°
37°
1
50°
40°
2
46°
41°
3
47°
40°
4
49°
41°
5
50°
40°
6
52°
39°
7
52°
35°
8
46°
31°
9
42°
31°
10
44°
32°
11
57°
31°
12
60°
26°
13
59°
24°
14
41°
27°
15
45°
25°
16
44°
27°
17
42°
33°
18
47°
38°
19
55°
38°
20
55°
37°
21
54°
36°
22
54°
41°
23
57°
36°
24
58°
23°
25
58°
21°
26
40°
24°
27
40°
28°
28
46°
37°
29
50°
38°
30
53°
39°
31
55°
39°
1
57°
31°
2
58°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Kennett
Kennett's December 2026 forecast shows daily high temperatures ranging from 40° to 60°, with overnight lows between 21° and 41°. The average high for December is 50° with an average low of 33°. 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 Kennett. See also: January | February | March.