11-Night Cruise on Celebrity AscentUltimate Southern Caribbean Holiday - Weather

Join Celebrity Cruises's Celebrity Ascent for a 11-night voyage on the Ultimate Southern Caribbean Holiday route, setting out from Fort Lauderdale, Florida on December 23, 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 Fort Lauderdale, Florida, Philipsburg, St. Maarten, Castries, St Lucia, with 5 more along the way. The forecasts below break the weather down port by port.

1. Day 1 — Thursday, Dec 23, 2027 — Fort Lauderdale, Florida

   Fort Lauderdale, Florida is a scheduled port of call on day 1 of the 11-night Ultimate Southern Caribbean Holiday cruise on Celebrity Ascent. Expected weather: partially cloudy with highs near 76°F.

2. Day 2 — Friday, Dec 24, 2027 — At Sea

   Day 2 of 12 is a day at sea aboard Celebrity Ascent, cruising between ports on the Ultimate Southern Caribbean Holiday itinerary.

3. Day 3 — Saturday, Dec 25, 2027 — At Sea

   Day 3 of 12 is a day at sea aboard Celebrity Ascent, cruising between ports on the Ultimate Southern Caribbean Holiday itinerary.

4. Day 4 — Sunday, Dec 26, 2027 — Philipsburg, St. Maarten

   Philipsburg, St. Maarten is a scheduled port of call on day 4 of the 11-night Ultimate Southern Caribbean Holiday cruise on Celebrity Ascent. Expected weather: partially cloudy with highs near 79°F.

5. Day 5 — Monday, Dec 27, 2027 — Castries, St Lucia

   Castries, St Lucia is a scheduled port of call on day 5 of the 11-night Ultimate Southern Caribbean Holiday cruise on Celebrity Ascent. Expected weather: partially cloudy with highs near 80°F.

6. Day 6 — Tuesday, Dec 28, 2027 — St Georges, Grenada

   St Georges, Grenada is a scheduled port of call on day 6 of the 11-night Ultimate Southern Caribbean Holiday cruise on Celebrity Ascent. Expected weather: partially cloudy with highs near 79°F.

7. Day 7 — Wednesday, Dec 29, 2027 — Fort de France, Martinique

   Fort de France, Martinique is a scheduled port of call on day 7 of the 11-night Ultimate Southern Caribbean Holiday cruise on Celebrity Ascent. Expected weather: partially cloudy with highs near 80°F.

8. Day 8 — Thursday, Dec 30, 2027 — St Johns, Antigua

   St Johns, Antigua is a scheduled port of call on day 8 of the 11-night Ultimate Southern Caribbean Holiday cruise on Celebrity Ascent. Expected weather: partially cloudy with highs near 79°F.

9. Day 9 — Friday, Dec 31, 2027 — St Thomas, US Virgin Islands

   St Thomas, US Virgin Islands is a scheduled port of call on day 9 of the 11-night Ultimate Southern Caribbean Holiday cruise on Celebrity Ascent. Expected weather: partially cloudy with highs near 78°F.

10. Day 10 — Saturday, Jan 1, 2028 — At Sea

    Day 10 of 12 is a day at sea aboard Celebrity Ascent, cruising between ports on the Ultimate Southern Caribbean Holiday itinerary.

11. Day 11 — Sunday, Jan 2, 2028 — At Sea

    Day 11 of 12 is a day at sea aboard Celebrity Ascent, cruising between ports on the Ultimate Southern Caribbean Holiday itinerary.

12. Day 12 — Monday, Jan 3, 2028 — Fort Lauderdale, Florida

    Fort Lauderdale, Florida is a scheduled port of call on day 12 of the 11-night Ultimate Southern Caribbean Holiday cruise on Celebrity Ascent. Expected weather: partially cloudy with highs near 74°F.