Measurements:
°C
°F
Cayo Santa Maria
76°F
W 6 mph
Feels like: 80°F
Precip: 0%
World Resorts Cuba Cayo Santa Maria Weather

Cayo Santa Maria Sea Water Temperature

Current Sea Water Temperature:
+79.2°F
Maximum Sea Water Temperature in February: 83.4°F
Minimum Sea Water Temperature in February: 77.4°F
Average water temperature in February: 80.7°F

Sea Water Temperature for the Last 10 Days:

February 19 79.2°F February 14 77.6°F
February 18 78.8°F February 13 77.4°F
February 17 78.8°F February 12 77.6°F
February 16 77.8°F February 11 78.2°F
February 15 77.8°F February 10 78.2°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
May 12 days
March 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 80.1 °F
March 80.7 °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: 07:27
19 feb, thursday
0900 78°F
NW
7 mph
1200 82°F
W
8 mph
1500 82°F
SW
9 mph
1800 78°F
SW
12 mph
2100 76°F
W
14 mph
20 feb, friday
0000 76°F
NW
13 mph
0300 76°F
NW
11 mph
0600 76°F
NW
9 mph