Celebrity Summit — 7-Night Southern Caribbean Holiday Cruise Weather

The Celebrity Summit sails a 7-night Southern Caribbean Holiday itinerary with Celebrity Cruises, departing San Juan, Puerto Rico on December 26, 2027. It's a classic Caribbean cruise. Travelers sailing in December can generally expect warm, sunny weather with gentle trade winds. Ports of call include San Juan, Puerto Rico, St Thomas, US Virgin Islands, Bridgetown, Barbados, with 4 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.

1. Day 1 — Sunday, Dec 26, 2027 — San Juan, Puerto Rico

   San Juan, Puerto Rico is a scheduled port of call on day 1 of the 7-night Southern Caribbean Holiday cruise on Celebrity Summit.

2. Day 2 — Monday, Dec 27, 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 Holiday cruise on Celebrity Summit.

3. Day 3 — Wednesday, Dec 29, 2027 — Bridgetown, Barbados

   Bridgetown, Barbados is a scheduled port of call on day 3 of the 7-night Southern Caribbean Holiday cruise on Celebrity Summit.

4. Day 4 — Thursday, Dec 30, 2027 — Castries, St Lucia

   Castries, St Lucia is a scheduled port of call on day 4 of the 7-night Southern Caribbean Holiday cruise on Celebrity Summit.

5. Day 5 — Friday, Dec 31, 2027 — St Johns, Antigua

   St Johns, Antigua is a scheduled port of call on day 5 of the 7-night Southern Caribbean Holiday cruise on Celebrity Summit.

6. Day 6 — Saturday, Jan 1, 2028 — Philipsburg, St. Maarten

   Philipsburg, St. Maarten is a scheduled port of call on day 6 of the 7-night Southern Caribbean Holiday cruise on Celebrity Summit.

7. Day 7 — Sunday, Jan 2, 2028 — San Juan, Puerto Rico

   San Juan, Puerto Rico is a scheduled port of call on day 7 of the 7-night Southern Caribbean Holiday cruise on Celebrity Summit.