Current sea water temperature:
+79.7°F
| Minimum sea water temperature in January: | 82.0°F |
| Maximum sea water temperature in January: | 75.0°F |
| Average sea water temperature in January: | 79.1°F |
| more information | |
14 days
forecast
forecast
| Cayo Largo |
monthly
weather
weather
| Cayo Largo |
Sea water temperature for the last 10 days:
| January 26 | 79.7°F | January 21 | 78.4°F |
| January 25 | 79.2°F | January 20 | 78.6°F |
| January 24 | 79.2°F | January 19 | 78.6°F |
| January 23 | 78.1°F | January 18 | 78.8°F |
| January 22 | 77.9°F | January 17 | 79.2°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
January
January
| 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: 11:48
January 26, monday
1200

90°F
NE
5 mph
5 mph
1500

93°F
NE
7 mph
7 mph
1800

84°F
S
6 mph
6 mph
2100

79°F
S
6 mph
6 mph
January 27, tuesday
0000

73°F
S
11 mph
11 mph
0300

70°F
S
14 mph
14 mph
0600

66°F
S
13 mph
13 mph
0900

68°F
S
12 mph
12 mph




























