S
M
T
W
T
F
S
29
78°
71°
30
80°
70°
1
79°
71°
2
80°
71°
3
80°
70°
4
79°
69°
5
74°
70°
6
78°
70°
7
74°
69°
8
79°
70°
9
80°
70°
10
80°
64°
11
73°
61°
12
71°
61°
13
72°
63°
14
77°
67°
15
74°
70°
16
79°
67°
17
80°
68°
18
76°
70°
19
81°
62°
20
81°
59°
21
79°
60°
22
70°
67°
23
76°
64°
24
81°
59°
25
80°
59°
26
70°
64°
27
72°
63°
28
72°
60°
29
73°
62°
30
72°
66°
31
76°
59°
1
78°
58°
2
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Miami
Miami's December 2026 forecast shows daily high temperatures ranging from 70° to 81°, with overnight lows between 58° and 71°. The average high for December is 77° with an average low of 65°. 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 Miami. See also: January | February | March.
