25.04
sat
sat
Day
77°F
W 7 mph
Precip.
0%
0%
Night
77°F
W 14 mph
Precip.
0%
0%
26.04
sun
sun
Day
77°F
W 7 mph
Precip.
0%
0%
Night
77°F
W 14 mph
Precip.
0%
0%
27.04
mon
mon
Day
77°F
W 9 mph
Precip.
0%
0%
Night
77°F
W 15 mph
Precip.
0%
0%
28.04
tue
tue
Day
77°F
W 12 mph
Precip.
0%
0%
Night
77°F
W 17 mph
Precip.
0%
0%
29.04
wed
wed
Day
77°F
W 9 mph
Precip.
0%
0%
Night
77°F
W 13 mph
Precip.
0%
0%
30.04
thu
thu
Day
77°F
W 4 mph
Precip.
0%
0%
Night
79°F
NW 8 mph
Precip.
0%
0%
01.05
fri
fri
Day
79°F
W 7 mph
Precip.
0%
0%
Night
79°F
NW 14 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 April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 79.3°F. The highest and lowest sea temperatures during the month were 81.3°F and 77.4°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 82.2°F. The highest and lowest sea temperatures during the month were 84.4°F and 78.8°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: 14:39
April 25, saturday
1500
79°F
SW
9 mph
9 mph
1800
77°F
SW
17 mph
17 mph
2100
77°F
W
13 mph
13 mph
April 26, sunday
0000
77°F
W
14 mph
14 mph
0300
77°F
W
12 mph
12 mph
0600
77°F
W
11 mph
11 mph
0900
77°F
W
9 mph
9 mph
1200
77°F
W
7 mph
7 mph
