Measurements:
°C
°F
CURRENT WEATHER
14:15
Cayo Guillermo
78°F
W 24 mph
Feels like: 82°F
Precip: 0%
World Resorts Cuba Cayo Guillermo Weather

7 Day Weather Forecast

03.31
tue
DAY
80°F
W 23 mph
precip
0%
NIGHT
78°F
W 26 mph
precip
0%
04.01
wed
DAY
78°F
W 21 mph
precip
0%
NIGHT
78°F
W 22 mph
precip
0%
04.02
thu
DAY
80°F
W 23 mph
precip
0%
NIGHT
78°F
W 25 mph
precip
0%
04.03
fri
DAY
80°F
W 24 mph
precip
0%
NIGHT
80°F
W 23 mph
precip
100%
04.04
sat
DAY
80°F
W 17 mph
precip
89%
NIGHT
80°F
W 14 mph
precip
100%
04.05
sun
DAY
80°F
W 5 mph
precip
29%
NIGHT
80°F
SW 5 mph
precip
0%
04.06
mon
DAY
80°F
NW 4 mph
precip
0%
NIGHT
80°F
SW 4 mph
precip
0%

Cayo Guillermo Sea Water Temperature in March, °F

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Cayo Guillermo was 25.7°F. The maximum and minimum values were 23.6°F and 26.7°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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