Measurements:
°C
°F
Cayo Santa Maria
88°F
NW 14 mph
Feels like: 100°F
Precip: 18%
World Resorts Cuba Cayo Santa Maria Weather

Cayo Santa Maria Sea Water Temperature

Current Sea Water Temperature:
+91.2°F
Maximum Sea Water Temperature in September: 92.6°F
Minimum Sea Water Temperature in September: 87.0°F
Average water temperature in September: 89.9°F

Sea Water Temperature for the Last 10 Days:

September 13 91.2°F September 08 91.0°F
September 12 91.0°F September 07 91.6°F
September 11 91.2°F September 06 91.8°F
September 10 91.8°F September 05 91.2°F
September 09 92.4°F September 04 91.4°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: 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 89.8 °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: 09:21
13 sep, sunday
1200 90°F
NW
12 mph
1500 90°F
W
12 mph
1800 90°F
W
14 mph
2100 90°F
W
15 mph
14 sep, monday
0000 90°F
W
16 mph
0300 88°F
W
14 mph
0600 90°F
W
12 mph
0900 90°F
W
11 mph