Measurements:
°C
°F
Cayo Santa Maria
78°F
W 18 mph
Feels like: 82°F
Precip: 0%
World Resorts Cuba Cayo Santa Maria Weather

Cayo Santa Maria Sea Water Temperature

Current Sea Water Temperature:
+80.2°F
Maximum Sea Water Temperature in January: 84.0°F
Minimum Sea Water Temperature in January: 77.2°F
Average water temperature in January: 80.9°F

Sea Water Temperature for the Last 10 Days:

January 08 80.2°F January 03 79.8°F
January 07 80.2°F January 02 81.2°F
January 06 80.4°F January 01 81.0°F
January 05 79.2°F December 31 82.0°F
January 04 79.6°F December 30 80.4°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 79.1 °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: 18:29
08 jan, thursday
2100 76°F
W
19 mph
09 jan, friday
0000 78°F
W
19 mph
0300 78°F
W
17 mph
0600 78°F
W
17 mph
0900 78°F
W
19 mph
1200 78°F
W
20 mph
1500 80°F
W
19 mph
1800 78°F
W
19 mph