S
M
T
W
T
F
S
29
45°
34°
30
47°
36°
1
48°
35°
2
46°
35°
3
49°
33°
4
47°
32°
5
47°
32°
6
46°
33°
7
48°
31°
8
45°
30°
9
38°
30°
10
41°
29°
11
43°
30°
12
40°
29°
13
41°
24°
14
44°
17°
15
37°
14°
16
31°
14°
17
30°
17°
18
29°
23°
19
36°
26°
20
41°
22°
21
38°
16°
22
34°
19°
23
36°
13°
24
34°
18°
25
29°
20°
26
36°
14°
27
34°
16°
28
27°
15°
29
31°
15°
30
28°
17°
31
30°
24°
1
40°
23°
2
41°
17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Gouldsboro
Gouldsboro's December 2026 forecast shows daily high temperatures ranging from 27° to 49°, with overnight lows between 13° and 36°. The average high for December is 39° with an average low of 24°. 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 Gouldsboro. See also: January | February | March.