# Cayo Coco water temperature Sea temperature at Cayo Coco is 30.3 °C (86.5 °F). - Location: Cayo Coco, Cuba - Timezone: America/Havana - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-25T09:19:10.398217-04:00 - Forecast page: https://snorkelforecast.com/cuba/cayo-coco/ - HTML sea temperature: https://snorkelforecast.com/cuba/cayo-coco/sea-temperature/ - Temperature is not a safety rating or snorkel score. - Guidance: Very warm water - What to wear: Swimwear is usually enough; a rash guard adds sun protection. ## Monthly baseline - January: 25.1 °C (77.2 °F) - February: 24.8 °C (76.6 °F) - March: 26.5 °C (79.7 °F) - April: 27.2 °C (81.0 °F) - May: 29.2 °C (84.6 °F) - June: 30.0 °C (86.0 °F) - July: 30.6 °C (87.1 °F) - August: 31.1 °C (88.0 °F) - September: 31.2 °C (88.2 °F) - October: 29.9 °C (85.8 °F) - November: 27.3 °C (81.1 °F) - December: 25.8 °C (78.4 °F)