S
M
T
W
T
F
S
29
78°
70°
30
80°
69°
1
79°
70°
2
79°
70°
3
80°
69°
4
81°
65°
5
76°
66°
6
74°
69°
7
76°
70°
8
76°
69°
9
75°
65°
10
79°
69°
11
79°
69°
12
Hist. Avg.
79°
65°
13
Hist. Avg.
78°
65°
14
Hist. Avg.
78°
65°
15
Hist. Avg.
78°
65°
16
Hist. Avg.
78°
64°
17
Hist. Avg.
78°
64°
18
Hist. Avg.
78°
64°
19
Hist. Avg.
78°
64°
20
Hist. Avg.
78°
64°
21
Hist. Avg.
78°
64°
22
Hist. Avg.
78°
64°
23
Hist. Avg.
78°
63°
24
Hist. Avg.
77°
63°
25
Hist. Avg.
77°
63°
26
Hist. Avg.
77°
63°
27
Hist. Avg.
77°
63°
28
Hist. Avg.
77°
62°
29
Hist. Avg.
77°
62°
30
Hist. Avg.
77°
62°
31
Hist. Avg.
77°
62°
1
Hist. Avg.
77°
62°
2
Hist. Avg.
76°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in South Miami
South Miami's December 2026 forecast shows daily high temperatures ranging from 74° to 81°, with overnight lows between 65° and 70°. The average high for December is 78° with an average low of 68°. 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 South Miami. See also: January | February | March.
