Measurements:
°C
°F
CURRENT WEATHER
20:28
Cayo Guillermo
88°F
W 19 mph
Feels like: 96°F
Precip: 7%
World Resorts Cuba Cayo Guillermo Weather

7 Day Weather Forecast

06.22
mon
DAY
90°F
W 16 mph
precip
6%
NIGHT
88°F
W 20 mph
precip
7%
06.23
tue
DAY
88°F
W 17 mph
precip
17%
NIGHT
88°F
W 18 mph
precip
16%
06.24
wed
DAY
88°F
W 15 mph
precip
9%
NIGHT
86°F
W 19 mph
precip
8%
06.25
thu
DAY
88°F
W 16 mph
precip
7%
NIGHT
86°F
W 17 mph
precip
51%
06.26
fri
DAY
88°F
W 16 mph
precip
19%
NIGHT
88°F
W 18 mph
precip
19%
06.27
sat
DAY
88°F
W 17 mph
precip
17%
NIGHT
88°F
W 19 mph
precip
9%
06.28
sun
DAY
88°F
W 16 mph
precip
23%
NIGHT
88°F
W 19 mph
precip
10%

Cayo Guillermo Sea Water Temperature in June, °F

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Cayo Guillermo was 29.9°F. The maximum and minimum values were 28.9°F and 30.5°F respectively.

Cayo Guillermo on the Weather Map

Best Time to Visit Cayo Guillermo
The most sunny months:
April 14 days
March 13 days
May 12 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 79.5 °F
February 80.4 °F
March 81.4 °F
The most rainy months:
October 7 days
May 6 days
August 6 days
The most windy months:
March 14 mph
November 14 mph
December 14 mph
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