Current sea water temperature:
+83.5°F
| Minimum sea water temperature in October: | 87.6°F |
| Maximum sea water temperature in October: | 79.2°F |
| Average sea water temperature in October: | 84.3°F |
| more information | |
14 days
forecast
forecast
| Cayo Guillermo |
monthly
weather
weather
| Cayo Guillermo |
Sea water temperature for the last 10 days:
| October 24 | 83.5°F | October 19 | 85.5°F |
| October 23 | 82.6°F | October 18 | 85.5°F |
| October 22 | 83.1°F | October 17 | 85.6°F |
| October 21 | 85.1°F | October 16 | 85.6°F |
| October 20 | 85.5°F | October 15 | 85.8°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:
2026
2025
2024
The average sea water temperature in September of 2026 was 86.8°F. The highest and lowest sea temperatures during the month were 88.3°F and 85.5°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 86.8°F. The highest and lowest sea temperatures during the month were 87.8°F and 85.5°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 86.4°F. The highest and lowest sea temperatures during the month were 87.6°F and 85.6°F.
current
weather
weather
| Cayo Guillermo |
weather in
October
October
| 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: 05:19
October 24, saturday
0600
77°F
SW
14 mph
14 mph
0900
79°F
SW
12 mph
12 mph
1200
79°F
SW
12 mph
12 mph
1500
79°F
SW
11 mph
11 mph
1800
79°F
SW
14 mph
14 mph
2100
81°F
SW
14 mph
14 mph
October 25, sunday
0000
79°F
SW
13 mph
13 mph
0300
79°F
SW
12 mph
12 mph
