Current sea water temperature:
+78.6°F
| Minimum sea water temperature in February: | 80.4°F |
| Maximum sea water temperature in February: | 73.0°F |
| Average sea water temperature in February: | 77.6°F |
| more information | |
14 days
forecast
forecast
| Cayo Guillermo |
monthly
weather
weather
| Cayo Guillermo |
Sea water temperature for the last 10 days:
| February 23 | 78.6°F | February 18 | 75.9°F |
| February 22 | 77.4°F | February 17 | 75.7°F |
| February 21 | 78.4°F | February 16 | 75.4°F |
| February 20 | 76.1°F | February 15 | 75.2°F |
| February 19 | 76.1°F | February 14 | 73.6°F |
Monthly sea water temperature, °F
When is the warmest sea in Cayo Guillermo?
Based on the data about daily sea water temperature for the last three years the warmest sea in Cayo Guillermo was noticed in September, August and July.
Monthly Sea Temperatures in Cayo Guillermo, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 87.3°F. The highest and lowest sea temperatures during the month were 88.3°F and 86.5°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 86.9°F. The highest and lowest sea temperatures during the month were 88.5°F and 85.8°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 85.3°F. The highest and lowest sea temperatures during the month were 86.2°F and 83.8°F.
current
weather
weather
| Cayo Guillermo |
weather in
February
February
| Cayo Guillermo |
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: 10:31
February 23, monday
1200
70°F
S
22 mph
22 mph
1500
68°F
S
22 mph
22 mph
1800
66°F
S
24 mph
24 mph
2100
66°F
S
22 mph
22 mph
February 24, tuesday
0000
66°F
S
21 mph
21 mph
0300
64°F
S
19 mph
19 mph
0600
64°F
S
19 mph
19 mph
0900
64°F
SW
17 mph
17 mph
