S
M
T
W
T
F
S
29
42°
31°
30
47°
36°
1
51°
35°
2
50°
31°
3
42°
34°
4
49°
36°
5
53°
29°
6
40°
26°
7
40°
31°
8
48°
36°
9
52°
33°
10
47°
34°
11
48°
36°
12
51°
34°
13
45°
30°
14
42°
23°
15
37°
22°
16
37°
25°
17
39°
32°
18
44°
33°
19
48°
33°
20
46°
32°
21
50°
33°
22
48°
31°
23
42°
31°
24
46°
34°
25
36°
22°
26
36°
28°
27
39°
25°
28
41°
31°
29
47°
30°
30
49°
29°
31
44°
30°
1
42°
28°
2
46°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Weweantic
Weweantic's December 2026 forecast shows daily high temperatures ranging from 36° to 53°, with overnight lows between 22° and 36°. The average high for December is 45° with an average low of 30°. 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 Weweantic. See also: January | February | March.