World Resorts Cuba Cayo Guillermo Weather

Cayo Guillermo 14 Days Forecast

04.10
sun
Day
84°F
W 14 mph
Precip.
17%
Night
82°F
W 15 mph
Precip.
66%
05.10
mon
Day
82°F
W 10 mph
Precip.
8%
Night
82°F
W 9 mph
Precip.
8%
06.10
tue
Day
82°F
W 6 mph
Precip.
20%
Night
82°F
W 7 mph
Precip.
7%
07.10
wed
Day
82°F
W 4 mph
Precip.
10%
Night
82°F
NW 9 mph
Precip.
52%
08.10
thu
Day
82°F
W 4 mph
Precip.
8%
Night
82°F
W 9 mph
Precip.
8%
09.10
fri
Day
84°F
W 11 mph
Precip.
7%
Night
82°F
W 13 mph
Precip.
12%
10.10
sat
Day
84°F
W 12 mph
Precip.
51%
Night
82°F
NW 11 mph
Precip.
19%
11.10
sun
Day
84°F
W 14 mph
Precip.
14%
Night
82°F
W 14 mph
Precip.
41%
12.10
mon
Day
84°F
W 9 mph
Precip.
8%
Night
82°F
W 11 mph
Precip.
24%
13.10
tue
Day
82°F
W 6 mph
Precip.
15%
Night
82°F
W 8 mph
Precip.
23%
14.10
wed
Day
82°F
W 4 mph
Precip.
20%
Night
82°F
W 9 mph
Precip.
19%
15.10
thu
Day
82°F
S 4 mph
Precip.
12%
Night
82°F
W 9 mph
Precip.
8%
16.10
fri
Day
82°F
W 8 mph
Precip.
7%
Night
82°F
W 11 mph
Precip.
23%
17.10
sat
Day
84°F
W 10 mph
Precip.
7%
Night
82°F
W 20 mph
Precip.
48%

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 84.6°F. The highest and lowest sea temperatures during the month were 87.1°F and 82.6°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:
April 14 days
March 13 days
May 12 days
Warmest months:
August 86.9 °F
July 86.4 °F
September 86.0 °F
Warmest sea temp:
September 86.0 °F
August 86.0 °F
July 85.3 °F
Coldest months:
January 76.6 °F
February 77.4 °F
March 78.3 °F
Rainiest months:
October 7 days
May 6 days
August 5 days
Windiest months:
March 14.7 mph
November 14.2 mph
December 14.0 mph

Cayo Guillermo on a weather map

Current weather
15:17
Cayo Guillermo
+84°F
W 16 mph
Feels like: +91°F
Precip.: 28%
Places in Cuba:
Name
°F
Varadero
+90°F
Havana
+84°F
Cayo Santa Maria
+84°F
Cayo Guillermo
+84°F
Cayo Coco
+86°F
Cayo Largo
+95°F
Manzanillo
+88°F
Matanzas
+91°F
Pinar del Rio
+88°F
Playa Esmeralda
+90°F
Playa Blanca
+90°F
Playa Santa Lucia
+88°F
Santa Maria
+84°F
Santiago de Cuba
+84°F
Cienfuegos
+91°F
all places
24 Hours Forecast
Cayo Guillermo
Local time: 15:17
October 04, sunday
1800
84°F
W
16 mph
2100
82°F
W
16 mph
October 05, monday
0000
82°F
W
15 mph
0300
82°F
W
12 mph
0600
82°F
NW
9 mph
0900
82°F
NW
5 mph
1200
82°F
W
10 mph
1500
84°F
SW
14 mph
Units of measurement: °C / °F