Current sea water temperature:
+80.6°F
| Minimum sea water temperature in December: | 83.5°F |
| Maximum sea water temperature in December: | 78.3°F |
| Average sea water temperature in December: | 80.4°F |
| more information | |
14 days
forecast
forecast
| Cayo Largo |
monthly
weather
weather
| Cayo Largo |
Sea water temperature for the last 10 days:
| December 16 | 80.6°F | December 11 | 82.9°F |
| December 15 | 80.2°F | December 10 | 82.6°F |
| December 14 | 81.1°F | December 9 | 82.9°F |
| December 13 | 81.1°F | December 8 | 82.6°F |
| December 12 | 82.2°F | December 7 | 82.4°F |
Monthly sea water temperature, °F
When is the warmest sea in Cayo Largo?
Based on the data about daily sea water temperature for the last three years the warmest sea in Cayo Largo was noticed in August, September and July.
Monthly Sea Temperatures in Cayo Largo, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 88.5°F. The highest and lowest sea temperatures during the month were 89.8°F and 87.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 88.1°F. The highest and lowest sea temperatures during the month were 88.9°F and 86.7°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 87.1°F. The highest and lowest sea temperatures during the month were 88.0°F and 85.8°F.
current
weather
weather
| Cayo Largo |
weather in
December
December
| Cayo Largo |
Best time for vacation in Cayo Largo
Cayo Largo on a weather map
Places in Cuba:
Name
°F
24 Hours Forecast
Cayo Largo
Local time: 16:15
December 16, tuesday
1800
77°F
SW
9 mph
9 mph
2100
73°F
SW
7 mph
7 mph
December 17, wednesday
0000
70°F
SW
7 mph
7 mph
0300
70°F
SW
6 mph
6 mph
0600
68°F
W
7 mph
7 mph
0900
77°F
W
11 mph
11 mph
1200
82°F
W
11 mph
11 mph
1500
82°F
SW
11 mph
11 mph
