S
M
T
W
T
F
S
29
79°
59°
30
81°
50°
1
79°
50°
2
71°
52°
3
70°
57°
4
72°
59°
5
75°
58°
6
78°
58°
7
76°
52°
8
78°
49°
9
75°
50°
10
72°
57°
11
76°
55°
12
75°
56°
13
72°
58°
14
79°
57°
15
78°
56°
16
74°
56°
17
72°
55°
18
75°
54°
19
73°
52°
20
72°
57°
21
76°
56°
22
77°
52°
23
77°
56°
24
73°
55°
25
75°
51°
26
72°
50°
27
69°
54°
28
70°
55°
29
72°
46°
30
77°
45°
31
75°
48°
1
67°
53°
2
69°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Fellsmere
Fellsmere's December 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 45° and 59°. The average high for December is 74° with an average low of 54°. 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 Fellsmere. See also: January | February | March.