Measurements:
°C
°F
Cayo Guillermo
78°F
W 19 mph
Feels like: 82°F
Precip: 0%
World Resorts Cuba Cayo Guillermo Weather

7 Day Weather Forecast

01.08
thu
DAY
80°F
W 16 mph
precip
0%
NIGHT
78°F
W 19 mph
precip
0%
01.09
fri
DAY
78°F
W 19 mph
precip
0%
NIGHT
76°F
W 21 mph
precip
0%
01.10
sat
DAY
78°F
W 19 mph
precip
0%
NIGHT
78°F
W 17 mph
precip
0%
01.11
sun
DAY
78°F
SW 10 mph
precip
0%
NIGHT
78°F
SW 11 mph
precip
100%
01.12
mon
DAY
80°F
W 17 mph
precip
0%
NIGHT
78°F
W 17 mph
precip
0%
01.13
tue
DAY
78°F
W 14 mph
precip
100%
NIGHT
78°F
W 15 mph
precip
100%
01.14
wed
DAY
80°F
NW 7 mph
precip
100%
NIGHT
78°F
E 8 mph
precip
100%

Cayo Guillermo Sea Water Temperature in January, °F

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for Cayo Guillermo was 24.8°F. The maximum and minimum values were 23.8°F and 25.8°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 79.6 °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