S
M
T
W
T
F
S
29
73°
59°
30
74°
63°
1
79°
63°
2
81°
59°
3
79°
56°
4
73°
57°
5
74°
55°
6
73°
54°
7
72°
53°
8
71°
54°
9
71°
55°
10
72°
61°
11
75°
60°
12
76°
60°
13
77°
59°
14
78°
60°
15
Hist. Avg.
79°
56°
16
Hist. Avg.
79°
56°
17
Hist. Avg.
78°
56°
18
Hist. Avg.
78°
55°
19
Hist. Avg.
78°
55°
20
Hist. Avg.
78°
55°
21
Hist. Avg.
78°
55°
22
Hist. Avg.
78°
55°
23
Hist. Avg.
78°
55°
24
Hist. Avg.
78°
54°
25
Hist. Avg.
78°
54°
26
Hist. Avg.
78°
54°
27
Hist. Avg.
77°
54°
28
Hist. Avg.
77°
54°
29
Hist. Avg.
77°
54°
30
Hist. Avg.
77°
54°
31
Hist. Avg.
77°
53°
1
Hist. Avg.
77°
53°
2
Hist. Avg.
77°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Boca Grande
Boca Grande's December 2026 forecast shows daily high temperatures ranging from 71° to 81°, with overnight lows between 53° and 63°. The average high for December is 75° with an average low of 58°. 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 Boca Grande. See also: January | February | March.