World Resorts Cuba Cayo Guillermo Weather

Cayo Guillermo 14 Days Forecast

25.04
sat
Day
77°F
W 7 mph
Precip.
0%
Night
77°F
W 14 mph
Precip.
0%
26.04
sun
Day
77°F
W 7 mph
Precip.
0%
Night
77°F
W 14 mph
Precip.
0%
27.04
mon
Day
77°F
W 9 mph
Precip.
0%
Night
77°F
W 15 mph
Precip.
0%
28.04
tue
Day
77°F
W 12 mph
Precip.
0%
Night
77°F
W 17 mph
Precip.
0%
29.04
wed
Day
77°F
W 9 mph
Precip.
0%
Night
77°F
W 13 mph
Precip.
0%
30.04
thu
Day
77°F
W 4 mph
Precip.
0%
Night
79°F
NW 8 mph
Precip.
0%
01.05
fri
Day
79°F
W 7 mph
Precip.
0%
Night
79°F
NW 14 mph
Precip.
0%
02.05
sat
Day
79°F
W 11 mph
Precip.
0%
Night
79°F
NW 14 mph
Precip.
0%
03.05
sun
Day
81°F
W 6 mph
Precip.
0%
Night
79°F
N 13 mph
Precip.
0%
04.05
mon
Day
82°F
N 6 mph
Precip.
0%
Night
79°F
NE 14 mph
Precip.
100%
05.05
tue
Day
82°F
NW 9 mph
Precip.
0%
Night
79°F
N 11 mph
Precip.
0%
06.05
wed
Day
82°F
NW 6 mph
Precip.
0%
Night
77°F
SW 6 mph
Precip.
49%
07.05
thu
Day
81°F
SW 5 mph
Precip.
0%
Night
79°F
NW 7 mph
Precip.
50%
08.05
fri
Day
81°F
SW 4 mph
Precip.
0%
Night
81°F
W 13 mph
Precip.
66%

Sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 79.3°F. The highest and lowest sea temperatures during the month were 81.3°F and 77.4°F.

Sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 82.2°F. The highest and lowest sea temperatures during the month were 84.4°F and 78.8°F.

Air temperature in Cayo Guillermo, °F

Precipitation total in Cayo Guillermo, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Cayo Guillermo

Sunniest months:
March 13 days
April 13 days
May 11 days
Warmest months:
August 86.9 °F
July 86.5 °F
September 86.0 °F
Warmest sea temp:
September 86.0 °F
August 85.9 °F
July 85.2 °F
Coldest months:
January 76.6 °F
February 77.4 °F
March 78.3 °F
Rainiest months:
May 7 days
October 7 days
August 6 days
Windiest months:
March 14.7 mph
November 14.2 mph
December 14.0 mph

Cayo Guillermo on a weather map

Cayo Guillermo
+79°F
SW 9 mph
Feels like: +82°F
Precip.: 0%
Places in Cuba:
Name
°F
+79°F
+82°F
+82°F
+86°F
+90°F
+84°F
+82°F
+88°F
+79°F
+81°F
+86°F
+79°F
24 Hours Forecast
Cayo Guillermo
Local time: 14:40
April 25, saturday
1500
79°F
SW
9 mph
1800
77°F
SW
17 mph
2100
77°F
W
13 mph
April 26, sunday
0000
77°F
W
14 mph
0300
77°F
W
12 mph
0600
77°F
W
11 mph
0900
77°F
W
9 mph
1200
77°F
W
7 mph
Units of measurement: °C / °F