Measurements:
°C
°F
Cayo Santa Maria
92°F
SW 16 mph
Feels like: 110°F
Precip: 7%
World Resorts Cuba Cayo Santa Maria Weather

Cayo Santa Maria Sea Water Temperature

Current Sea Water Temperature:
+91.4°F
Maximum Sea Water Temperature in August: 93.0°F
Minimum Sea Water Temperature in August: 87.0°F
Average water temperature in August: 89.7°F

Sea Water Temperature for the Last 10 Days:

August 02 91.4°F July 28 90.0°F
August 01 91.0°F July 27 90.6°F
July 31 90.8°F July 26 90.2°F
July 30 90.8°F July 25 89.8°F
July 29 91.4°F July 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: 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: 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 90.7 °F
July 90.4 °F
September 89.8 °F
Warmest sea temperature:
September 89.8 °F
August 89.7 °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: 16:12
02 aug, sunday
1800 90°F
W
16 mph
2100 88°F
NW
18 mph
03 aug, monday
0000 84°F
NW
5 mph
0300 84°F
N
3 mph
0600 84°F
N
6 mph
0900 86°F
N
5 mph
1200 88°F
W
6 mph
1500 90°F
SW
11 mph