Measurements:
°C
°F
Cayo Guillermo
84°F
NW 4 mph
Feels like: 90°F
Precip: 0%
World Resorts Cuba Cayo Guillermo Weather

Cayo Guillermo Sea Water Temperature

Current Sea Water Temperature:
+89.0°F
Maximum Sea Water Temperature in September: 91.2°F
Minimum Sea Water Temperature in September: 86.8°F
Average water temperature in September: 89.3°F

Sea Water Temperature for the Last 10 Days:

September 19 89.0°F September 14 88.6°F
September 18 89.0°F September 13 89.2°F
September 17 89.2°F September 12 88.4°F
September 16 89.2°F September 11 88.2°F
September 15 88.4°F September 10 88.0°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 August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2018 2017 2016

The average sea surface temperature in August 2018 for Cayo Guillermo was 89.1°F. The maximum and minimum values were 88.0°F and 91.2°F respectively.

Sea Water Temperature in September

Select Year: 2018 2017 2016

The average sea surface temperature in September 2018 for Cayo Guillermo was 88.5°F. The maximum and minimum values were 87.8°F and 89.2°F respectively.

Sea Water Temperature in July

Select Year: 2018 2017 2016

The average sea surface temperature in July 2018 for Cayo Guillermo was 89.4°F. The maximum and minimum values were 88.0°F and 91.4°F respectively.

Best Time to Visit Cayo Guillermo
The most sunny months:
July 18 days
August 15 days
September 14 days
The most warm months:
August 93.1 °F
July 92.8 °F
September 92.1 °F
Warmest sea temperature:
September 89.4 °F
August 89.4 °F
July 88.6 °F
The most cold months:
January 80.8 °F
February 81.9 °F
March 82.8 °F
The most rainy months:
May 8 days
October 8 days
August 6 days
The most windy months:
March 13 mph
November 13 mph
December 12 mph

Cayo Guillermo on the Weather Map

24 Hours Weather Forecast
Cayo Guillermo
Local time: 10:22
19 sep, wednesday
1200 88°F
W
8 mph
1500 88°F
W
8 mph
1800 86°F
W
9 mph
2100 84°F
W
8 mph
20 sep, thursday
0000 88°F
W
10 mph
0300 84°F
NW
5 mph
0600 86°F
NW
6 mph
0900 86°F
W
4 mph