World Resorts Cuba Cayo Guillermo Weather

Cayo Guillermo Sea Temperature in June

Average sea water temperature in June:
+84.1°F
Minimum sea water temperature in June: 88.0°F
Maximum sea water temperature in June: 80.8°F

Daily sea water temperature in June, °F

Show year:
2026
2025
2024

The average sea water temperature in June of 2026 was 85.8°F. The highest and lowest sea temperatures during the month were 86.9°F and 84.0°F.

Monthly sea water temperature in Cayo Guillermo, °F

Which Cuba resorts have warmest sea in June?

Place name June 2026 June 2025
Pinar del Rio 86.6°F 87.6°F
Cayo Largo 86.6°F 86.6°F
Manzanillo 86.5°F 86.4°F
Niquero 86.3°F 86.3°F
Trinidad 85.9°F 85.4°F
Cayo Guillermo 85.8°F 83.8°F
Cienfuegos 85.7°F 85.5°F
Cayo Coco 85.6°F 83.8°F
Varadero 85.2°F 84.9°F
Cayo Santa Maria 85.2°F 83.5°F
Santa Maria 85.1°F 83.6°F
Santiago de Cuba 84.6°F 84.7°F
Baracoa 83.8°F 81.7°F
Playa Santa Lucia 83.7°F 82.4°F
Havana 83.6°F 84.4°F
Matanzas 83.6°F 83.6°F
Holguin 83.3°F 82.1°F
Playa Blanca 83.2°F 82.0°F
Playa Esmeralda 82.9°F 81.9°F

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 86.5 °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:
October 7 days
May 6 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
+84°F
NW 15 mph
Feels like: +95°F
Precip.: 8%
Places in Cuba:
Name
°F
+82°F
+84°F
+84°F
+84°F
+84°F
+82°F
+82°F
+82°F
+82°F
+86°F
+82°F
+81°F
24 Hours Forecast
Cayo Guillermo
Local time: 10:30
June 19, friday
1200
86°F
W
14 mph
1500
86°F
W
13 mph
1800
84°F
W
15 mph
2100
84°F
W
15 mph
June 20, saturday
0000
82°F
W
14 mph
0300
82°F
NW
12 mph
0600
82°F
NW
11 mph
0900
82°F
NW
12 mph
Units of measurement: °C / °F