S
M
T
W
T
F
S
30
89°
70°
1
90°
71°
2
88°
71°
3
89°
70°
4
90°
71°
5
89°
70°
6
89°
70°
7
87°
69°
8
91°
71°
9
88°
70°
10
87°
69°
11
92°
69°
12
90°
71°
13
88°
70°
14
89°
71°
15
89°
69°
16
88°
71°
17
89°
68°
18
89°
70°
19
89°
70°
20
88°
69°
21
88°
69°
22
87°
70°
23
90°
71°
24
88°
71°
25
86°
70°
26
86°
69°
27
84°
68°
28
86°
67°
29
83°
65°
30
86°
65°
31
87°
69°
1
85°
70°
2
87°
68°
3
88°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Mayagüez
Mayagüez's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Mayagüez. See also: January | February | March.
