S
M
T
W
T
F
S
29
69°
48°
30
66°
44°
1
68°
37°
2
53°
34°
3
54°
35°
4
59°
45°
5
62°
39°
6
54°
36°
7
54°
34°
8
52°
32°
9
51°
32°
10
52°
33°
11
55°
34°
12
57°
37°
13
62°
41°
14
56°
35°
15
54°
36°
16
52°
38°
17
55°
34°
18
53°
31°
19
52°
29°
20
52°
31°
21
53°
32°
22
58°
32°
23
51°
31°
24
50°
31°
25
50°
29°
26
51°
31°
27
52°
30°
28
52°
31°
29
53°
31°
30
51°
33°
31
52°
29°
1
51°
29°
2
51°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Frankston
Frankston's December 2026 forecast shows daily high temperatures ranging from 50° to 69°, with overnight lows between 29° and 48°. The average high for December is 55° with an average low of 34°. 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 Frankston. See also: January | February | March.
