28.12
sun
sun
Day
75°F
W 11 mph
Precip.
0%
0%
Night
73°F
W 11 mph
Precip.
0%
0%
29.12
mon
mon
Day
73°F
W 6 mph
Precip.
0%
0%
Night
73°F
SW 7 mph
Precip.
0%
0%
30.12
tue
tue
Day
73°F
S 7 mph
Precip.
0%
0%
Night
73°F
S 9 mph
Precip.
87%
87%
31.12
wed
wed
Day
73°F
S 4 mph
Precip.
0%
0%
Night
73°F
SW 6 mph
Precip.
0%
0%
01.01
thu
thu
Day
73°F
E 6 mph
Precip.
100%
100%
Night
73°F
SE 13 mph
Precip.
100%
100%
02.01
fri
fri
Day
72°F
S 15 mph
Precip.
0%
0%
Night
70°F
NW 11 mph
Precip.
0%
0%
03.01
sat
sat
Day
72°F
W 8 mph
Precip.
23%
23%
Night
75°F
W 10 mph
Precip.
100%
100%
04.01
sun
sun
Day
75°F
E 4 mph
Precip.
72%
72%
Night
75°F
SW 4 mph
Precip.
29%
29%
05.01
mon
mon
Day
73°F
E 4 mph
Precip.
0%
0%
Night
75°F
S 11 mph
Precip.
0%
0%
06.01
tue
tue
Day
75°F
SW 13 mph
Precip.
0%
0%
Night
75°F
W 24 mph
Precip.
100%
100%
07.01
wed
wed
Day
77°F
W 22 mph
Precip.
100%
100%
Night
77°F
W 21 mph
Precip.
100%
100%
08.01
thu
thu
Day
77°F
W 19 mph
Precip.
100%
100%
Night
77°F
W 22 mph
Precip.
43%
43%
09.01
fri
fri
Day
77°F
W 19 mph
Precip.
74%
74%
Night
77°F
W 20 mph
Precip.
75%
75%
sea water
temperature
temperature
| Cayo Guillermo |
monthly
weather
weather
| Cayo Guillermo |
current
weather
weather
| Cayo Guillermo |
7 days
forecast
forecast
| Cayo Guillermo |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 80.0°F. The highest and lowest sea temperatures during the month were 82.0°F and 76.8°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 76.7°F. The highest and lowest sea temperatures during the month were 78.4°F and 74.8°F.
Air temperature in Cayo Guillermo, °F
Precipitation total in Cayo Guillermo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Cayo Guillermo
Cayo Guillermo on a weather map
Places in Cuba:
Name
°F
24 Hours Forecast
Cayo Guillermo
Local time: 01:24
December 28, sunday
0300
73°F
W
11 mph
11 mph
0600
73°F
W
11 mph
11 mph
0900
75°F
W
12 mph
12 mph
1200
75°F
W
11 mph
11 mph
1500
75°F
W
12 mph
12 mph
1800
73°F
W
13 mph
13 mph
2100
73°F
W
12 mph
12 mph
December 29, monday
0000
73°F
W
11 mph
11 mph
