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