S
M
T
W
T
F
S
29
54°
36°
30
49°
34°
1
44°
35°
2
44°
37°
3
46°
33°
4
48°
30°
5
44°
34°
6
43°
35°
7
44°
28°
8
46°
24°
9
42°
24°
10
38°
23°
11
37°
31°
12
48°
28°
13
Hist. Avg.
44°
29°
14
Hist. Avg.
44°
29°
15
Hist. Avg.
44°
29°
16
Hist. Avg.
44°
29°
17
Hist. Avg.
43°
28°
18
Hist. Avg.
43°
28°
19
Hist. Avg.
43°
28°
20
Hist. Avg.
43°
28°
21
Hist. Avg.
42°
27°
22
Hist. Avg.
42°
27°
23
Hist. Avg.
42°
27°
24
Hist. Avg.
42°
26°
25
Hist. Avg.
42°
26°
26
Hist. Avg.
41°
26°
27
Hist. Avg.
41°
26°
28
Hist. Avg.
41°
26°
29
Hist. Avg.
41°
25°
30
Hist. Avg.
41°
25°
31
Hist. Avg.
40°
25°
1
Hist. Avg.
40°
24°
2
Hist. Avg.
40°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Barnstable
Barnstable's December 2026 forecast shows daily high temperatures ranging from 37° to 54°, with overnight lows between 23° and 37°. The average high for December is 45° with an average low of 31°. 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 Barnstable. See also: January | February | March.
