World Resorts Cuba Cayo Largo Weather

Cayo Largo sea water temperature

Current sea water temperature:
+86.0°F
Minimum sea water temperature in May: 89.2°F
Maximum sea water temperature in May: 80.4°F
Average sea water temperature in May: 84.0°F

Sea water temperature for the last 10 days:

May 31 86.0°F May 26 85.5°F
May 30 85.5°F May 25 86.0°F
May 29 84.9°F May 24 86.2°F
May 28 85.5°F May 23 86.4°F
May 27 84.9°F May 22 85.6°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 17 days
February 15 days
April 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
+75°F
NW 4 mph
Feels like: +79°F
Precip.: 0%
Places in Cuba:
Name
°F
+75°F
+79°F
+81°F
+77°F
+75°F
+75°F
+75°F
+77°F
+77°F
+81°F
+77°F
+75°F
24 Hours Forecast
Cayo Largo
Local time: 06:02
May 31, sunday
0900
81°F
N
3 mph
1200
86°F
N
7 mph
1500
90°F
N
7 mph
1800
86°F
NW
5 mph
2100
79°F
NW
2 mph
June 01, monday
0000
77°F
W
4 mph
0300
75°F
W
3 mph
0600
75°F
W
4 mph
Units of measurement: °C / °F