S
M
T
W
T
F
S
29
75°
69°
30
76°
71°
1
80°
71°
2
81°
69°
3
80°
66°
4
77°
66°
5
75°
65°
6
78°
64°
7
74°
63°
8
75°
64°
9
73°
66°
10
75°
69°
11
76°
68°
12
77°
68°
13
Hist. Avg.
78°
69°
14
Hist. Avg.
78°
69°
15
Hist. Avg.
78°
68°
16
Hist. Avg.
78°
68°
17
Hist. Avg.
78°
68°
18
Hist. Avg.
78°
68°
19
Hist. Avg.
77°
68°
20
Hist. Avg.
77°
68°
21
Hist. Avg.
77°
68°
22
Hist. Avg.
77°
68°
23
Hist. Avg.
77°
67°
24
Hist. Avg.
77°
67°
25
Hist. Avg.
77°
67°
26
Hist. Avg.
77°
67°
27
Hist. Avg.
77°
67°
28
Hist. Avg.
76°
67°
29
Hist. Avg.
76°
66°
30
Hist. Avg.
76°
66°
31
Hist. Avg.
76°
66°
1
Hist. Avg.
76°
66°
2
Hist. Avg.
76°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Cudjoe Key
Cudjoe Key's December 2026 forecast shows daily high temperatures ranging from 73° to 81°, with overnight lows between 63° and 71°. The average high for December is 77° with an average low of 67°. 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 Cudjoe Key. See also: January | February | March.
