Current sea water temperature:
+84.7°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: | 84.2°F |
| more information | |
14 days
forecast
forecast
| Cayo Guillermo |
monthly
weather
weather
| Cayo Guillermo |
Sea water temperature for the last 10 days:
| October 3 | 84.7°F | September 28 | 86.4°F |
| October 2 | 84.9°F | September 27 | 86.0°F |
| October 1 | 85.3°F | September 26 | 86.0°F |
| September 30 | 85.5°F | September 25 | 86.0°F |
| September 29 | 85.8°F | September 24 | 86.2°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: 02:48
October 04, sunday
0300
82°F
W
18 mph
18 mph
0600
82°F
W
14 mph
14 mph
0900
84°F
W
12 mph
12 mph
1200
84°F
W
12 mph
12 mph
1500
84°F
W
19 mph
19 mph
1800
82°F
W
17 mph
17 mph
2100
82°F
W
15 mph
15 mph
October 05, monday
0000
82°F
W
16 mph
16 mph
