S
M
T
W
T
F
S
29
44°
34°
30
43°
35°
1
44°
38°
2
50°
41°
3
50°
35°
4
45°
33°
5
42°
32°
6
42°
34°
7
45°
34°
8
42°
35°
9
45°
33°
10
43°
33°
11
47°
37°
12
48°
38°
13
45°
39°
14
48°
38°
15
47°
38°
16
47°
37°
17
46°
37°
18
47°
38°
19
47°
38°
20
46°
37°
21
48°
38°
22
47°
37°
23
48°
37°
24
47°
36°
25
46°
37°
26
45°
38°
27
47°
38°
28
47°
37°
29
48°
37°
30
47°
39°
31
48°
38°
1
47°
37°
2
47°
36°
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 42° to 50°, with overnight lows between 32° and 41°. The average high for December is 46° with an average low of 37°. 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.
