S
M
T
W
T
F
S
29
37°
29°
30
43°
31°
1
46°
31°
2
46°
27°
3
37°
28°
4
42°
31°
5
48°
25°
6
35°
21°
7
35°
24°
8
43°
30°
9
47°
28°
10
43°
29°
11
45°
30°
12
46°
28°
13
41°
25°
14
39°
17°
15
32°
15°
16
31°
19°
17
36°
26°
18
40°
27°
19
44°
27°
20
42°
26°
21
45°
26°
22
43°
25°
23
36°
24°
24
40°
28°
25
30°
12°
26
30°
17°
27
31°
16°
28
34°
24°
29
39°
23°
30
43°
22°
31
40°
23°
1
38°
22°
2
41°
16°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Kennebunk
Kennebunk's December 2026 forecast shows daily high temperatures ranging from 30° to 48°, with overnight lows between 12° and 31°. The average high for December is 40° 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 Kennebunk. See also: January | February | March.
