9-Night Cruise on Harmony Of The SeasPerfect Day At Cococay & Caribbean Holiday - Weather

Departing Port Canaveral, Florida on December 30, 2027, the Royal Caribbean Cruises ship Harmony Of The Seas runs this 9-night Perfect Day At Cococay & Caribbean Holiday sailing. It's a classic Caribbean cruise. Travelers sailing in December can generally expect warm, sunny weather with gentle trade winds. Ports of call include Port Canaveral, Florida, Coco Cay, Bahamas, San Juan, Puerto Rico, with 5 more along the way. Scroll the daily outlook below to pack smart for every port of call.

1. Day 1 — Thursday, Dec 30, 2027 — Port Canaveral, Florida

   Port Canaveral, Florida is a scheduled port of call on day 1 of the 9-night Perfect Day At Cococay & Caribbean Holiday cruise on Harmony Of The Seas. Expected weather: partially cloudy with highs near 72°F.

2. Day 2 — Friday, Dec 31, 2027 — Coco Cay, Bahamas

   Coco Cay, Bahamas is a scheduled port of call on day 2 of the 9-night Perfect Day At Cococay & Caribbean Holiday cruise on Harmony Of The Seas. Expected weather: partially cloudy with highs near 75°F.

3. Day 3 — Sunday, Jan 2, 2028 — San Juan, Puerto Rico

   San Juan, Puerto Rico is a scheduled port of call on day 3 of the 9-night Perfect Day At Cococay & Caribbean Holiday cruise on Harmony Of The Seas. Expected weather: partially cloudy with highs near 79°F.

4. Day 4 — Monday, Jan 3, 2028 — Philipsburg, St. Maarten

   Philipsburg, St. Maarten is a scheduled port of call on day 4 of the 9-night Perfect Day At Cococay & Caribbean Holiday cruise on Harmony Of The Seas. Expected weather: partially cloudy with highs near 79°F.

5. Day 5 — Tuesday, Jan 4, 2028 — Basseterre, St. Kitts

   Basseterre, St. Kitts is a scheduled port of call on day 5 of the 9-night Perfect Day At Cococay & Caribbean Holiday cruise on Harmony Of The Seas. Expected weather: partially cloudy with highs near 80°F.

6. Day 6 — Wednesday, Jan 5, 2028 — St Thomas, US Virgin Islands

   St Thomas, US Virgin Islands is a scheduled port of call on day 6 of the 9-night Perfect Day At Cococay & Caribbean Holiday cruise on Harmony Of The Seas. Expected weather: partially cloudy with highs near 78°F.

7. Day 7 — Friday, Jan 7, 2028 — Coco Cay, Bahamas

   Coco Cay, Bahamas is a scheduled port of call on day 7 of the 9-night Perfect Day At Cococay & Caribbean Holiday cruise on Harmony Of The Seas. Expected weather: partially cloudy with highs near 74°F.

8. Day 8 — Saturday, Jan 8, 2028 — Port Canaveral, Florida

   Port Canaveral, Florida is a scheduled port of call on day 8 of the 9-night Perfect Day At Cococay & Caribbean Holiday cruise on Harmony Of The Seas. Expected weather: partially cloudy with highs near 70°F.