Measurements:
°C
°F
Cayo Guillermo
82°F
W 16 mph
Feels like: 86°F
Precip: 0%
World Resorts Cuba Cayo Guillermo Weather June Weather in Cayo Guillermo

Cayo Guillermo Weather: June

Average Day Temperature: 88.8°F
Average Night Temperature: 82.8°F
Sea Water Temperature: 87.8°F
Number of Sunny Days: 9 days
Sunshine Hours: 13.5 - 13.5 hours
Number of Rainy Days: 5 days
Precipitation Totals: 2.9 in

Air Temperature in June, °F

Select Year: 2025 2024 2023

The highest day temperature in June 2025 was 88°F. The lowest night temperature was 83°F. The average values for day and night temperatures during June were 85.9°F и 84.6°F respectivly.

Cayo Guillermo Water Sea Temperature in June, °F

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Cayo Guillermo was 87.5°F. The maximum and minimum values were 86.4°F and 88.8°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in June are cloudy but you can also expect sunny or gloomy days.

Precipitation Totals in June, in

Precipitation total in June for Cayo Guillermo is 2.9 in.

Wind Speed in June, mph

The average wind speed in June is 11.7 mph. It makes June one of the most windless months of the year for Cayo Guillermo.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Cayo Guillermo in June is 7.8 hours.

Best Time to Visit Cayo Guillermo
The most sunny months:
April 13 days
March 12 days
May 11 days
The most warm months:
August 91.0 °F
July 90.5 °F
September 90.0 °F
Warmest sea temperature:
September 90.0 °F
August 89.9 °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: 00:50
05 dec, friday
0300 82°F
W
16 mph
0600 80°F
W
15 mph
0900 80°F
W
16 mph
1200 80°F
W
14 mph
1500 80°F
W
13 mph
1800 78°F
W
14 mph
2100 78°F
W
12 mph
06 dec, saturday
0000 78°F
W
12 mph