World Resorts Cuba Cayo Largo Weather

Cayo Largo sea water temperature

Current sea water temperature:
+80.1°F
Minimum sea water temperature in March: 83.1°F
Maximum sea water temperature in March: 77.0°F
Average sea water temperature in March: 79.9°F

Sea water temperature for the last 10 days:

March 31 80.1°F March 26 79.2°F
March 30 79.9°F March 25 78.6°F
March 29 79.9°F March 24 78.1°F
March 28 79.9°F March 23 78.1°F
March 27 78.6°F March 22 78.6°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.

Best time for vacation in Cayo Largo

Sunniest months:
March 18 days
April 16 days
February 15 days
Warmest months:
August 87.6 °F
July 87.2 °F
September 86.4 °F
Warmest sea temp:
August 87.2 °F
September 86.7 °F
July 86.6 °F
Coldest months:
January 77.5 °F
February 78.3 °F
December 79.7 °F
Rainiest months:
October 6 days
September 6 days
May 5 days
Windiest months:
November 13.8 mph
December 13.6 mph
January 13.2 mph

Cayo Largo on a weather map

Cayo Largo
+84°F
W 16 mph
Feels like: +88°F
Precip.: 0%
Places in Cuba:
Name
°F
+77°F
+81°F
+81°F
+84°F
+84°F
+82°F
+81°F
+81°F
+77°F
+82°F
24 Hours Forecast
Cayo Largo
Local time: 15:27
March 31, tuesday
1800
81°F
W
15 mph
2100
75°F
W
13 mph
April 01, wednesday
0000
73°F
W
11 mph
0300
73°F
W
9 mph
0600
72°F
W
7 mph
0900
79°F
W
11 mph
1200
82°F
W
12 mph
1500
81°F
W
12 mph
Units of measurement: °C / °F