S
M
T
W
T
F
S
29
56°
38°
30
56°
39°
1
57°
40°
2
57°
45°
3
59°
49°
4
60°
48°
5
61°
49°
6
65°
46°
7
56°
42°
8
55°
40°
9
54°
39°
10
54°
35°
11
64°
49°
12
68°
40°
13
68°
35°
14
69°
34°
15
52°
35°
16
53°
32°
17
53°
36°
18
54°
46°
19
64°
46°
20
65°
45°
21
66°
44°
22
67°
44°
23
65°
47°
24
67°
40°
25
68°
34°
26
68°
33°
27
52°
36°
28
54°
43°
29
61°
44°
30
64°
45°
31
64°
46°
1
66°
47°
2
66°
42°
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 52° to 69°, with overnight lows between 32° and 49°. The average high for December is 61° with an average low of 42°. 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.
