S
M
T
W
T
F
S
29
49°
30°
30
58°
38°
1
57°
34°
2
46°
34°
3
54°
35°
4
57°
32°
5
45°
28°
6
46°
29°
7
42°
34°
8
51°
36°
9
48°
35°
10
55°
38°
11
52°
34°
12
44°
32°
13
40°
27°
14
39°
25°
15
38°
24°
16
39°
28°
17
41°
31°
18
52°
35°
19
53°
35°
20
50°
32°
21
45°
26°
22
38°
26°
23
50°
34°
24
51°
32°
25
37°
21°
26
38°
21°
27
39°
31°
28
41°
26°
29
43°
25°
30
39°
21°
31
38°
21°
1
38°
17°
2
37°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Sylvester
Sylvester's December 2026 forecast shows daily high temperatures ranging from 37° to 58°, with overnight lows between 17° and 38°. The average high for December is 45° with an average low of 29°. 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 Sylvester. See also: January | February | March.
