Measurements:
°C
°F
Cayo Largo
76°F
SW 4 mph
Feels like: 82°F
Precip: 19%
World Resorts Cuba Cayo Largo Weather

Cayo Largo Sea Water Temperature

Current Sea Water Temperature:
+92.6°F
Maximum Sea Water Temperature in August: 96.0°F
Minimum Sea Water Temperature in August: 88.4°F
Average water temperature in August: 91.4°F

Sea Water Temperature for the Last 10 Days:

August 19 92.6°F August 14 91.4°F
August 18 91.2°F August 13 92.2°F
August 17 92.2°F August 12 92.6°F
August 16 92.8°F August 11 92.0°F
August 15 92.0°F August 10 92.8°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Cayo Largo was 92.7°F. The maximum and minimum values were 91.2°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Cayo Largo was 92.2°F. The maximum and minimum values were 89.6°F and 94.8°F respectively.

Best Time to Visit Cayo Largo
The most sunny months:
March 17 days
February 15 days
April 15 days
The most warm months:
July 92.0 °F
August 91.8 °F
September 90.4 °F
Warmest sea temperature:
August 91.4 °F
September 90.8 °F
July 90.7 °F
The most cold months:
January 80.6 °F
February 81.5 °F
December 83.0 °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: 02:52
20 aug, thursday
0300 76°F
SW
4 mph
0600 76°F
SW
4 mph
0900 86°F
W
4 mph
1200 102°F
SW
4 mph
1500 110°F
W
5 mph
1800 96°F
SE
4 mph
2100 84°F
SW
5 mph
21 aug, friday
0000 82°F
W
7 mph

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