31.12
wed
wed
Day
73°F
S 14 mph
Precip.
0%
0%
Night
72°F
S 12 mph
Precip.
0%
0%
01.01
thu
thu
Day
68°F
S 9 mph
Precip.
0%
0%
Night
70°F
SW 9 mph
Precip.
0%
0%
02.01
fri
fri
Day
70°F
W 9 mph
Precip.
0%
0%
Night
70°F
W 9 mph
Precip.
0%
0%
03.01
sat
sat
Day
72°F
S 6 mph
Precip.
0%
0%
Night
72°F
SW 6 mph
Precip.
0%
0%
04.01
sun
sun
Day
72°F
SW 5 mph
Precip.
0%
0%
Night
73°F
SW 6 mph
Precip.
0%
0%
05.01
mon
mon
Day
73°F
E 3 mph
Precip.
0%
0%
Night
73°F
S 6 mph
Precip.
49%
49%
06.01
tue
tue
Day
73°F
S 7 mph
Precip.
0%
0%
Night
73°F
SW 11 mph
Precip.
0%
0%
sea water
temperature
temperature
| Cayo Guillermo |
monthly
weather
weather
| Cayo Guillermo |
current
weather
weather
| Cayo Guillermo |
14 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 79.6°F. The highest and lowest sea temperatures during the month were 82.0°F and 76.3°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: 13:14
December 31, wednesday
1500
72°F
S
12 mph
12 mph
1800
72°F
S
12 mph
12 mph
2100
72°F
S
14 mph
14 mph
January 01, thursday
0000
72°F
S
12 mph
12 mph
0300
72°F
S
14 mph
14 mph
0600
70°F
S
14 mph
14 mph
0900
68°F
S
12 mph
12 mph
1200
68°F
S
9 mph
9 mph
