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 — Monday, Oct 25, 2027 — At Sea

   Day 5 of 15 is a day at sea aboard Crystal Serenity, cruising between ports on the South America San Juan To Rio de Janeiro itinerary.

6. Day 6 — Tuesday, Oct 26, 2027 — Iles Des Saintes, Guadeloupe

   Iles Des Saintes, Guadeloupe 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 81°F.

7. Day 7 — Wednesday, Oct 27, 2027 — At Sea

   Day 7 of 15 is a day at sea aboard Crystal Serenity, cruising between ports on the South America San Juan To Rio de Janeiro itinerary.

8. Day 8 — Thursday, Oct 28, 2027 — At Sea

   Day 8 of 15 is a day at sea aboard Crystal Serenity, cruising between ports on the South America San Juan To Rio de Janeiro itinerary.

9. Day 9 — Friday, Oct 29, 2027 — Fortaleza, Brazil

   Fortaleza, 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 86°F.

10. Day 10 — Saturday, Oct 30, 2027 — At Sea

    Day 10 of 15 is a day at sea aboard Crystal Serenity, cruising between ports on the South America San Juan To Rio de Janeiro itinerary.

11. Day 11 — Sunday, Oct 31, 2027 — Maceio, Brazil

    Maceio, Brazil is a scheduled port of call on day 11 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.

12. Day 12 — Monday, Nov 1, 2027 — Salvador De Bahia, Brazil

    Salvador De Bahia, Brazil is a scheduled port of call on day 12 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.

13. Day 13 — Tuesday, Nov 2, 2027 — At Sea

    Day 13 of 15 is a day at sea aboard Crystal Serenity, cruising between ports on the South America San Juan To Rio de Janeiro itinerary.

14. Day 14 — Wednesday, Nov 3, 2027 — Rio De Janeiro, Brazil

    Rio De Janeiro, Brazil is a scheduled port of call on day 14 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.