Measurements:
°C
°F
Cayo Guillermo
86°F
NW 7 mph
Feels like: 94°F
Precip: 73%
World Resorts Cuba Cayo Guillermo Weather

Cayo Guillermo Sea Water Temperature

Current Sea Water Temperature:
+88.4°F
Maximum Sea Water Temperature in October: 90.8°F
Minimum Sea Water Temperature in October: 82.4°F
Average water temperature in October: 87.6°F

Sea Water Temperature for the Last 10 Days:

October 18 88.4°F October 13 89.4°F
October 17 88.2°F October 12 90.0°F
October 16 88.4°F October 11 88.4°F
October 15 88.8°F October 10 88.0°F
October 14 88.8°F October 09 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: 2019 2018 2017

The average sea surface temperature in August 2019 for Cayo Guillermo was 91.1°F. The maximum and minimum values were 89.4°F and 92.6°F respectively.

Sea Water Temperature in September

Select Year: 2019 2018 2017

The average sea surface temperature in September 2019 for Cayo Guillermo was 90.4°F. The maximum and minimum values were 88.4°F and 92.4°F respectively.

Sea Water Temperature in July

Select Year: 2019 2018 2017

The average sea surface temperature in July 2019 for Cayo Guillermo was 90.1°F. The maximum and minimum values were 89.0°F and 91.2°F respectively.

Best Time to Visit Cayo Guillermo
The most sunny months:
July 16 days
August 14 days
March 13 days
The most warm months:
August 92.7 °F
July 92.2 °F
September 91.2 °F
Warmest sea temperature:
August 89.6 °F
September 89.4 °F
July 88.7 °F
The most cold months:
January 80.6 °F
February 81.7 °F
March 82.6 °F
The most rainy months:
May 8 days
September 8 days
October 8 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: 14:24
18 oct, friday
1500 88°F
NW
6 mph
1800 88°F
NW
8 mph
2100 86°F
NW
9 mph
19 oct, saturday
0000 86°F
NW
12 mph
0300 84°F
N
12 mph
0600 84°F
N
12 mph
0900 84°F
N
9 mph
1200 86°F
NW
6 mph