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