7-Night Cruise on Celebrity ConstellationSouthern Caribbean - Weather

Departing San Juan, Puerto Rico on January 2, 2027, the Celebrity Cruises ship Celebrity Constellation runs this 7-night Southern Caribbean sailing. It's a classic Caribbean cruise. Travelers sailing in January can generally expect warm, sunny weather with gentle trade winds. Ports of call include San Juan, Puerto Rico, St Thomas, US Virgin Islands, Basseterre, St. Kitts, with 4 more along the way. Scroll the daily outlook below to pack smart for every port of call.

1. Day 1 — Saturday, Jan 2, 2027 — San Juan, Puerto Rico

   San Juan, Puerto Rico is a scheduled port of call on day 1 of the 7-night Southern Caribbean cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 79°F.

2. Day 2 — Sunday, Jan 3, 2027 — St Thomas, US Virgin Islands

   St Thomas, US Virgin Islands is a scheduled port of call on day 2 of the 7-night Southern Caribbean cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 78°F.

3. Day 3 — Monday, Jan 4, 2027 — Basseterre, St. Kitts

   Basseterre, St. Kitts is a scheduled port of call on day 3 of the 7-night Southern Caribbean cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 79°F.

4. Day 4 — Tuesday, Jan 5, 2027 — Roseau, Dominica

   Roseau, Dominica is a scheduled port of call on day 4 of the 7-night Southern Caribbean cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 76°F.

5. Day 5 — Wednesday, Jan 6, 2027 — Castries, St Lucia

   Castries, St Lucia is a scheduled port of call on day 5 of the 7-night Southern Caribbean cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 79°F.

6. Day 6 — Thursday, Jan 7, 2027 — Bridgetown, Barbados

   Bridgetown, Barbados is a scheduled port of call on day 6 of the 7-night Southern Caribbean cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 80°F.

7. Day 7 — Friday, Jan 8, 2027 — At Sea

   Day 7 of 8 is a day at sea aboard Celebrity Constellation, cruising between ports on the Southern Caribbean itinerary.

8. Day 8 — Saturday, Jan 9, 2027 — San Juan, Puerto Rico

   San Juan, Puerto Rico is a scheduled port of call on day 8 of the 7-night Southern Caribbean cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 79°F.