Measurements:
°C
°F
CURRENT WEATHER
01:21
Cayo Guillermo
72°F
S 12 mph
Feels like: 72°F
Precip: 87%
World Resorts Cuba Cayo Guillermo Weather

14 Day Weather Forecast

01.29
thu
DAY
74°F
W 16 mph
precip
0%
NIGHT
76°F
W 21 mph
precip
0%
01.30
fri
DAY
78°F
N 2 mph
precip
100%
NIGHT
78°F
SE 19 mph
precip
0%
01.31
sat
DAY
76°F
E 18 mph
precip
100%
NIGHT
72°F
SE 31 mph
precip
100%
02.01
sun
DAY
60°F
SE 25 mph
precip
100%
NIGHT
64°F
S 19 mph
precip
0%
02.02
mon
DAY
64°F
S 21 mph
precip
78%
NIGHT
68°F
SW 19 mph
precip
0%
02.03
tue
DAY
72°F
W 22 mph
precip
77%
NIGHT
74°F
W 22 mph
precip
100%
02.04
wed
DAY
76°F
W 17 mph
precip
65%
NIGHT
76°F
SW 20 mph
precip
100%
02.05
thu
DAY
76°F
SW 12 mph
precip
100%
NIGHT
76°F
S 12 mph
precip
74%
02.06
fri
DAY
76°F
S 17 mph
precip
42%
NIGHT
72°F
NW 14 mph
precip
0%
02.07
sat
DAY
70°F
SW 7 mph
precip
0%
NIGHT
70°F
SW 6 mph
precip
0%
02.08
sun
DAY
72°F
NE 4 mph
precip
0%
NIGHT
74°F
NE 5 mph
precip
0%
02.09
mon
DAY
76°F
SE 12 mph
precip
0%
NIGHT
76°F
SW 16 mph
precip
0%
02.10
tue
DAY
74°F
SW 24 mph
precip
100%
NIGHT
74°F
SW 28 mph
precip
100%

Cayo Guillermo Sea Water Temperature in January, °F

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for Cayo Guillermo was 80.7°F. The maximum and minimum values were 78.2°F and 83.6°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 80.7 °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
more details
24 Hours Weather Forecast
Cayo Guillermo
Local time: 01:21
29 jan, thursday
0300 70°F
SW
15 mph
0600 72°F
S
17 mph
0900 74°F
SW
14 mph
1200 74°F
W
16 mph
1500 76°F
W
19 mph
1800 76°F
W
21 mph
2100 76°F
W
22 mph
30 jan, friday
0000 76°F
W
21 mph