20.12
sat
sat
Day
79°F
SW 11 mph
Precip.
0%
0%
Night
77°F
W 14 mph
Precip.
0%
0%
21.12
sun
sun
Day
75°F
SW 17 mph
Precip.
0%
0%
Night
75°F
SW 19 mph
Precip.
0%
0%
22.12
mon
mon
Day
77°F
SW 20 mph
Precip.
100%
100%
Night
77°F
W 28 mph
Precip.
0%
0%
23.12
tue
tue
Day
77°F
W 26 mph
Precip.
0%
0%
Night
77°F
SW 25 mph
Precip.
100%
100%
24.12
wed
wed
Day
77°F
SW 22 mph
Precip.
68%
68%
Night
75°F
SW 22 mph
Precip.
89%
89%
25.12
thu
thu
Day
77°F
W 20 mph
Precip.
79%
79%
Night
75°F
SW 14 mph
Precip.
100%
100%
26.12
fri
fri
Day
75°F
W 17 mph
Precip.
0%
0%
Night
75°F
W 16 mph
Precip.
0%
0%
27.12
sat
sat
Day
77°F
SW 13 mph
Precip.
0%
0%
Night
75°F
SW 16 mph
Precip.
100%
100%
28.12
sun
sun
Day
75°F
SW 15 mph
Precip.
0%
0%
Night
75°F
SW 16 mph
Precip.
0%
0%
29.12
mon
mon
Day
75°F
SW 21 mph
Precip.
100%
100%
Night
75°F
W 27 mph
Precip.
83%
83%
30.12
tue
tue
Day
75°F
W 23 mph
Precip.
100%
100%
Night
75°F
W 21 mph
Precip.
100%
100%
31.12
wed
wed
Day
75°F
W 19 mph
Precip.
100%
100%
Night
75°F
W 20 mph
Precip.
44%
44%
01.01
thu
thu
Day
75°F
W 19 mph
Precip.
100%
100%
Night
75°F
W 19 mph
Precip.
58%
58%
02.01
fri
fri
Day
75°F
W 17 mph
Precip.
100%
100%
Night
77°F
W 17 mph
Precip.
53%
53%
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 80.5°F. The highest and lowest sea temperatures during the month were 82.0°F and 78.4°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: 23:05
December 21, sunday
0000
77°F
W
14 mph
14 mph
0300
77°F
SW
14 mph
14 mph
0600
77°F
SW
14 mph
14 mph
0900
75°F
SW
16 mph
16 mph
1200
75°F
SW
17 mph
17 mph
1500
75°F
SW
17 mph
17 mph
1800
75°F
SW
17 mph
17 mph
2100
75°F
SW
19 mph
19 mph
