Current sea water temperature:
+82.0°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 4 | 82.0°F | November 29 | 81.5°F |
| December 3 | 82.0°F | November 28 | 82.4°F |
| December 2 | 81.1°F | November 27 | 81.9°F |
| December 1 | 81.1°F | November 26 | 81.1°F |
| November 30 | 81.3°F | November 25 | 80.8°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: 22:00
December 05, friday
0000

72°F
W
6 mph
6 mph
0300

73°F
W
5 mph
5 mph
0600

73°F
W
5 mph
5 mph
0900

77°F
W
8 mph
8 mph
1200

90°F
W
8 mph
8 mph
1500

88°F
W
6 mph
6 mph
1800

84°F
NW
3 mph
3 mph
2100

77°F
W
3 mph
3 mph



























