S
M
T
W
T
F
S
29
58°
36°
30
57°
36°
1
58°
37°
2
58°
42°
3
59°
46°
4
59°
46°
5
60°
47°
6
63°
46°
7
58°
44°
8
57°
44°
9
57°
38°
10
56°
34°
11
69°
48°
12
70°
39°
13
72°
32°
14
70°
33°
15
55°
32°
16
56°
31°
17
55°
32°
18
55°
44°
19
66°
45°
20
68°
44°
21
68°
42°
22
70°
40°
23
67°
45°
24
69°
37°
25
71°
33°
26
70°
31°
27
55°
33°
28
56°
41°
29
64°
43°
30
66°
43°
31
67°
45°
1
69°
45°
2
68°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Southport
Southport's December 2026 forecast shows daily high temperatures ranging from 55° to 72°, with overnight lows between 31° and 48°. The average high for December is 63° with an average low of 40°. 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 Southport. See also: January | February | March.
