Measurements:
°C
°F
Cayo Santa Maria
80°F
W 24 mph
Feels like: 84°F
Precip: 0%
World Resorts Cuba Cayo Santa Maria Weather

Cayo Santa Maria Sea Water Temperature

Current Sea Water Temperature:
+81.6°F
Maximum Sea Water Temperature in March: 84.4°F
Minimum Sea Water Temperature in March: 78.4°F
Average water temperature in March: 81.4°F

Sea Water Temperature for the Last 10 Days:

March 31 81.6°F March 26 80.6°F
March 30 81.2°F March 25 80.2°F
March 29 81.2°F March 24 80.0°F
March 28 81.2°F March 23 79.8°F
March 27 80.8°F March 22 80.8°F

When is the Warmest Sea for Cayo Santa Maria?

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

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Cayo Santa Maria was 91.2°F. The maximum and minimum values were 90.4°F and 92.4°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Cayo Santa Maria was 90.9°F. The maximum and minimum values were 89.6°F and 93.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Cayo Santa Maria was 89.0°F. The maximum and minimum values were 87.4°F and 90.0°F respectively.

Best Time to Visit Cayo Santa Maria
The most sunny months:
April 14 days
March 13 days
May 12 days
The most warm months:
August 90.7 °F
July 90.3 °F
September 89.8 °F
Warmest sea temperature:
September 89.8 °F
August 89.7 °F
July 89.0 °F
The most cold months:
January 79.2 °F
February 79.9 °F
March 80.8 °F
The most rainy months:
May 7 days
October 7 days
September 6 days
The most windy months:
March 15 mph
February 14 mph
November 14 mph

Cayo Santa Maria on the Weather Map

24 Hours Weather Forecast
Cayo Santa Maria
Local time: 14:15
31 mar, tuesday
1500 80°F
W
24 mph
1800 78°F
W
25 mph
2100 78°F
W
27 mph
01 apr, wednesday
0000 80°F
W
25 mph
0300 80°F
W
23 mph
0600 80°F
W
22 mph
0900 80°F
W
21 mph
1200 80°F
W
20 mph