Measurements:
°C
°F
Cayo Guillermo
78°F
SW 19 mph
Feels like: 82°F
Precip: 0%
World Resorts Cuba Cayo Guillermo Weather

Cayo Guillermo Sea Water Temperature

Current Sea Water Temperature:
+82.0°F
Maximum Sea Water Temperature in April: 88.0°F
Minimum Sea Water Temperature in April: 79.0°F
Average water temperature in April: 83.5°F

Sea Water Temperature for the Last 10 Days:

April 23 82.0°F April 18 82.6°F
April 22 81.8°F April 17 82.2°F
April 21 82.2°F April 16 82.2°F
April 20 81.8°F April 15 82.8°F
April 19 82.4°F April 14 83.0°F

When is the Warmest Sea for Cayo Guillermo?

According to our data for the last three years for Cayo Guillermo 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: 2024 2023 2022

The average sea surface temperature in September 2024 for Cayo Guillermo was 91.4°F. The maximum and minimum values were 89.8°F and 94.0°F respectively.

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for Cayo Guillermo was 91.1°F. The maximum and minimum values were 89.8°F and 92.8°F respectively.

Sea Water Temperature in July

Select Year: 2024 2023 2022

The average sea surface temperature in July 2024 for Cayo Guillermo was 90.0°F. The maximum and minimum values were 88.6°F and 91.0°F respectively.

Best Time to Visit Cayo Guillermo
The most sunny months:
April 13 days
July 12 days
March 12 days
The most warm months:
August 91.2 °F
July 90.7 °F
September 90.2 °F
Warmest sea temperature:
September 89.9 °F
August 89.8 °F
July 89.2 °F
The most cold months:
January 79.6 °F
February 80.7 °F
March 81.5 °F
The most rainy months:
May 7 days
October 7 days
August 6 days
The most windy months:
March 14 mph
November 14 mph
December 14 mph

Cayo Guillermo on the Weather Map

24 Hours Weather Forecast
Cayo Guillermo
Local time: 20:06
23 apr, wednesday
2100 78°F
SW
19 mph
24 apr, thursday
0000 76°F
W
19 mph
0300 78°F
W
17 mph
0600 80°F
W
17 mph
0900 80°F
W
17 mph
1200 80°F
W
16 mph
1500 80°F
W
19 mph
1800 80°F
W
21 mph