14-Night Cruise on Crystal SerenitySouth America San Juan To Rio de Janeiro - Weather

The Crystal Serenity sails a 14-night South America San Juan To Rio de Janeiro itinerary with Crystal Cruises, departing San Juan, Puerto Rico on October 21, 2027. It's a classic Caribbean cruise. Travelers sailing in October can generally expect warm, sunny weather with gentle trade winds. Ports of call include San Juan, Puerto Rico, Basseterre, St. Kitts, Castries, St Lucia, with 6 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.

1. Day 1 — Thursday, Oct 21, 2027 — San Juan, Puerto Rico

   San Juan, Puerto Rico is a scheduled port of call on day 1 of the 14-night South America San Juan To Rio de Janeiro cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 84°F.

2. Day 2 — Friday, Oct 22, 2027 — Basseterre, St. Kitts

   Basseterre, St. Kitts is a scheduled port of call on day 2 of the 14-night South America San Juan To Rio de Janeiro cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 83°F.

3. Day 3 — Saturday, Oct 23, 2027 — Castries, St Lucia

   Castries, St Lucia is a scheduled port of call on day 3 of the 14-night South America San Juan To Rio de Janeiro cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 82°F.

4. Day 4 — Sunday, Oct 24, 2027 — Scarborough, Tobago

   Scarborough, Tobago is a scheduled port of call on day 4 of the 14-night South America San Juan To Rio de Janeiro cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 83°F.

5. Day 5 — Tuesday, Oct 26, 2027 — Iles Des Saintes, Guadeloupe

   Iles Des Saintes, Guadeloupe is a scheduled port of call on day 5 of the 14-night South America San Juan To Rio de Janeiro cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 81°F.

6. Day 6 — Friday, Oct 29, 2027 — Fortaleza, Brazil

   Fortaleza, Brazil is a scheduled port of call on day 6 of the 14-night South America San Juan To Rio de Janeiro cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 86°F.

7. Day 7 — Sunday, Oct 31, 2027 — Maceio, Brazil

   Maceio, Brazil is a scheduled port of call on day 7 of the 14-night South America San Juan To Rio de Janeiro cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 79°F.

8. Day 8 — Monday, Nov 1, 2027 — Salvador De Bahia, Brazil

   Salvador De Bahia, Brazil is a scheduled port of call on day 8 of the 14-night South America San Juan To Rio de Janeiro cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 79°F.

9. Day 9 — Wednesday, Nov 3, 2027 — Rio De Janeiro, Brazil

   Rio De Janeiro, Brazil is a scheduled port of call on day 9 of the 14-night South America San Juan To Rio de Janeiro cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 74°F.