S
M
T
W
T
F
S
29
59°
40°
30
63°
45°
1
63°
37°
2
56°
39°
3
63°
46°
4
67°
41°
5
54°
40°
6
57°
45°
7
53°
45°
8
53°
42°
9
62°
46°
10
63°
45°
11
62°
38°
12
51°
34°
13
56°
34°
14
51°
31°
15
50°
36°
16
50°
32°
17
51°
43°
18
62°
46°
19
60°
44°
20
63°
36°
21
49°
32°
22
54°
41°
23
60°
42°
24
50°
38°
25
49°
28°
26
49°
31°
27
50°
35°
28
52°
32°
29
52°
30°
30
50°
31°
31
51°
29°
1
51°
29°
2
50°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Gainesville
Gainesville's December 2026 forecast shows daily high temperatures ranging from 49° to 67°, with overnight lows between 28° and 46°. The average high for December is 55° with an average low of 38°. 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 Gainesville. See also: January | February | March.
