Measurements:
°C
°F
CURRENT WEATHER
20:22
Cayo Guillermo
80°F
SW 14 mph
Feels like: 86°F
Precip: 0%
World Resorts Cuba Cayo Guillermo Weather

7 Day Weather Forecast

04.20
mon
DAY
82°F
SW 8 mph
precip
0%
NIGHT
80°F
SW 16 mph
precip
0%
04.21
tue
DAY
80°F
SW 17 mph
precip
100%
NIGHT
78°F
SW 27 mph
precip
100%
04.22
wed
DAY
78°F
W 21 mph
precip
0%
NIGHT
78°F
W 20 mph
precip
100%
04.23
thu
DAY
80°F
W 16 mph
precip
76%
NIGHT
80°F
W 17 mph
precip
0%
04.24
fri
DAY
80°F
NW 9 mph
precip
100%
NIGHT
78°F
N 3 mph
precip
0%
04.25
sat
DAY
78°F
W 2 mph
precip
24%
NIGHT
80°F
SW 8 mph
precip
41%
04.26
sun
DAY
80°F
W 6 mph
precip
26%
NIGHT
82°F
W 14 mph
precip
45%

Cayo Guillermo Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Cayo Guillermo was 26.2°F. The maximum and minimum values were 25.2°F and 27.2°F respectively.

Cayo Guillermo on the Weather Map

Best Time to Visit Cayo Guillermo
The most sunny months:
March 13 days
April 13 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 79.5 °F
February 80.4 °F
March 81.4 °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
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