Measurements:
°C
°F
Cayo Largo
74°F
W 6 mph
Feels like: 80°F
Precip: 0%
World Resorts Cuba Cayo Largo Weather

Cayo Largo Sea Water Temperature

Current Sea Water Temperature:
+85.6°F
Maximum Sea Water Temperature in December: 87.2°F
Minimum Sea Water Temperature in December: 81.4°F
Average water temperature in December: 83.8°F

Sea Water Temperature for the Last 10 Days:

December 04 85.6°F November 29 85.0°F
December 03 85.6°F November 28 86.0°F
December 02 84.6°F November 27 85.4°F
December 01 84.6°F November 26 84.6°F
November 30 84.8°F November 25 84.2°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 80.2 °F
February 81.2 °F
December 82.6 °F
The most rainy months:
October 6 days
September 6 days
May 5 days
The most windy months:
December 14 mph
November 14 mph
January 13 mph

Cayo Largo on the Weather Map

24 Hours Weather Forecast
Cayo Largo
Local time: 23:02
05 dec, friday
0000 74°F
W
6 mph
0300 76°F
W
5 mph
0600 76°F
W
5 mph
0900 80°F
W
8 mph
1200 94°F
W
8 mph
1500 92°F
W
6 mph
1800 88°F
NW
3 mph
2100 80°F
W
3 mph

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