Measurements:
°C
°F
Cayo Santa Maria
88°F
W 17 mph
Feels like: 100°F
Precip: 20%
World Resorts Cuba Cayo Santa Maria Weather

Cayo Santa Maria Sea Water Temperature

Current Sea Water Temperature:
+89.0°F
Maximum Sea Water Temperature in October: 91.0°F
Minimum Sea Water Temperature in October: 82.8°F
Average water temperature in October: 88.0°F

Sea Water Temperature for the Last 10 Days:

October 03 89.0°F September 28 90.6°F
October 02 89.2°F September 27 89.6°F
October 01 89.8°F September 26 89.8°F
September 30 89.6°F September 25 89.4°F
September 29 90.0°F September 24 89.6°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: 2026 2025 2024

The average sea surface temperature in September 2026 for Cayo Santa Maria was 90.8°F. The maximum and minimum values were 89.4°F and 92.4°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Cayo Santa Maria was 90.8°F. The maximum and minimum values were 89.6°F and 91.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Cayo Santa Maria was 90.2°F. The maximum and minimum values were 89.2°F and 91.4°F respectively.

Best Time to Visit Cayo Santa Maria
The most sunny months:
April 15 days
July 14 days
March 13 days
The most warm months:
August 90.8 °F
July 90.4 °F
September 89.8 °F
Warmest sea temperature:
September 89.9 °F
August 89.8 °F
July 89.1 °F
The most cold months:
January 79.2 °F
February 79.9 °F
March 80.8 °F
The most rainy months:
October 7 days
May 6 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: 15:29
03 oct, saturday
1800 88°F
W
19 mph
2100 88°F
W
19 mph
04 oct, sunday
0000 88°F
W
20 mph
0300 88°F
W
21 mph
0600 86°F
W
17 mph
0900 88°F
NW
14 mph
1200 88°F
W
14 mph
1500 88°F
W
17 mph