Measurements:
°C
°F
Cayo Largo
68°F
W 4 mph
Feels like: 68°F
Precip: 0%
World Resorts Cuba Cayo Largo Weather

Cayo Largo Sea Water Temperature

Current Sea Water Temperature:
+81.8°F
Maximum Sea Water Temperature in February: 84.8°F
Minimum Sea Water Temperature in February: 78.4°F
Average water temperature in February: 82.2°F

Sea Water Temperature for the Last 10 Days:

February 19 81.8°F February 14 80.0°F
February 18 81.2°F February 13 78.6°F
February 17 81.0°F February 12 78.4°F
February 16 80.2°F February 11 78.4°F
February 15 80.0°F February 10 79.0°F

When is the Warmest Sea for Cayo Largo?

According to our data for the last three years for Cayo Largo the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Cayo Largo was 92.8°F. The maximum and minimum values were 91.6°F and 94.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Cayo Largo was 92.3°F. The maximum and minimum values were 90.8°F and 93.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Cayo Largo was 91.3°F. The maximum and minimum values were 89.8°F and 92.2°F respectively.

Best Time to Visit Cayo Largo
The most sunny months:
March 18 days
February 16 days
April 16 days
The most warm months:
August 91.8 °F
July 91.4 °F
September 90.4 °F
Warmest sea temperature:
August 91.4 °F
September 90.8 °F
July 90.6 °F
The most cold months:
January 80.6 °F
February 81.2 °F
March 82.8 °F
The most rainy months:
October 6 days
September 6 days
May 5 days
The most windy months:
November 14 mph
December 13 mph
January 13 mph

Cayo Largo on the Weather Map

24 Hours Weather Forecast
Cayo Largo
Local time: 06:05
19 feb, thursday
0900 72°F
W
6 mph
1200 92°F
NW
5 mph
1500 94°F
N
5 mph
1800 88°F
N
1 mph
2100 80°F
NW
2 mph
20 feb, friday
0000 74°F
NW
4 mph
0300 68°F
SW
5 mph
0600 66°F
W
4 mph

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