S
M
T
W
T
F
S
29
43°
29°
30
40°
28°
1
40°
27°
2
39°
28°
3
43°
29°
4
43°
30°
5
44°
29°
6
42°
32°
7
41°
32°
8
42°
31°
9
42°
28°
10
37°
27°
11
48°
28°
12
48°
29°
13
40°
29°
14
48°
26°
15
46°
20°
16
39°
19°
17
36°
25°
18
37°
27°
19
42°
23°
20
41°
27°
21
39°
28°
22
45°
27°
23
46°
29°
24
45°
31°
25
48°
21°
26
48°
20°
27
47°
18°
28
33°
21°
29
33°
26°
30
41°
25°
31
44°
27°
1
44°
28°
2
46°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Gloucester
Gloucester's December 2026 forecast shows daily high temperatures ranging from 33° to 48°, with overnight lows between 18° and 32°. The average high for December is 42° with an average low of 27°. 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 Gloucester. See also: January | February | March.
