Measurements:
°C
°F
CURRENT WEATHER
12:20
Cayo Guillermo
78°F
W 18 mph
Feels like: 82°F
Precip: 0%
World Resorts Cuba Cayo Guillermo Weather

7 Day Weather Forecast

03.11
wed
DAY
78°F
W 18 mph
precip
0%
NIGHT
78°F
W 19 mph
precip
0%
03.12
thu
DAY
80°F
W 9 mph
precip
0%
NIGHT
76°F
NW 9 mph
precip
0%
03.13
fri
DAY
80°F
W 4 mph
precip
0%
NIGHT
80°F
W 16 mph
precip
0%
03.14
sat
DAY
80°F
W 13 mph
precip
0%
NIGHT
80°F
W 17 mph
precip
75%
03.15
sun
DAY
80°F
W 17 mph
precip
100%
NIGHT
80°F
NW 16 mph
precip
100%
03.16
mon
DAY
80°F
NW 6 mph
precip
100%
NIGHT
80°F
N 6 mph
precip
100%
03.17
tue
DAY
80°F
E 7 mph
precip
0%
NIGHT
80°F
N 9 mph
precip
100%

Cayo Guillermo Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Cayo Guillermo was 26.0°F. The maximum and minimum values were 25.2°F and 27.0°F respectively.

Cayo Guillermo on the Weather Map

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 79.5 °F
February 80.4 °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
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