S
M
T
W
T
F
S
29
45°
33°
30
48°
36°
1
50°
35°
2
48°
35°
3
50°
33°
4
47°
32°
5
48°
32°
6
45°
33°
7
48°
32°
8
41°
29°
9
38°
29°
10
39°
27°
11
37°
30°
12
38°
27°
13
39°
26°
14
39°
20°
15
35°
20°
16
33°
23°
17
35°
22°
18
34°
28°
19
42°
27°
20
43°
23°
21
37°
21°
22
34°
20°
23
33°
18°
24
34°
24°
25
36°
19°
26
42°
13°
27
33°
14°
28
27°
15°
29
31°
13°
30
30°
18°
31
32°
25°
1
44°
19°
2
42°
14°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Mashapaug
Mashapaug's December 2026 forecast shows daily high temperatures ranging from 27° to 50°, with overnight lows between 13° and 36°. The average high for December is 39° with an average low of 25°. 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 Mashapaug. See also: January | February | March.
