9-Night Cruise on Costa SerenaSouth America from Buenos Aires - Weather

Departing Buenos Aires, Argentina on March 23, 2027, the Costa Cruises ship Costa Serena runs this 9-night South America from Buenos Aires sailing. The route makes 7 scheduled stops. Travelers sailing in March can generally expect cooler, off-season conditions. Ports of call include Buenos Aires, Argentina, Montevideo, Uruguay, Camboriu, Brazil, with 4 more along the way. Scroll the daily outlook below to pack smart for every port of call.

1. Day 1 — Tuesday, Mar 23, 2027 — Buenos Aires, Argentina

   Buenos Aires, Argentina is a scheduled port of call on day 1 of the 9-night South America from Buenos Aires cruise on Costa Serena. Expected weather: partially cloudy with highs near 75°F.

2. Day 2 — Wednesday, Mar 24, 2027 — Montevideo, Uruguay

   Montevideo, Uruguay is a scheduled port of call on day 2 of the 9-night South America from Buenos Aires cruise on Costa Serena. Expected weather: partially cloudy with highs near 71°F.

3. Day 3 — Thursday, Mar 25, 2027 — At Sea

   Day 3 of 10 is a day at sea aboard Costa Serena, cruising between ports on the South America from Buenos Aires itinerary.

4. Day 4 — Friday, Mar 26, 2027 — Camboriu, Brazil

   Camboriu, Brazil is a scheduled port of call on day 4 of the 9-night South America from Buenos Aires cruise on Costa Serena. Expected weather: partially cloudy with highs near 81°F.

5. Day 5 — Saturday, Mar 27, 2027 — Ilha Grande, Brazil

   Ilha Grande, Brazil is a scheduled port of call on day 5 of the 9-night South America from Buenos Aires cruise on Costa Serena. Expected weather: partially cloudy with highs near 71°F.

6. Day 6 — Sunday, Mar 28, 2027 — Rio De Janeiro, Brazil

   Rio De Janeiro, Brazil is a scheduled port of call on day 6 of the 9-night South America from Buenos Aires cruise on Costa Serena. Expected weather: partially cloudy with highs near 78°F.

7. Day 7 — Monday, Mar 29, 2027 — Ilhabela, Brazil

   Ilhabela, Brazil is a scheduled port of call on day 7 of the 9-night South America from Buenos Aires cruise on Costa Serena. Expected weather: partially cloudy with highs near 79°F.

8. Day 8 — Tuesday, Mar 30, 2027 — At Sea

   Day 8 of 10 is a day at sea aboard Costa Serena, cruising between ports on the South America from Buenos Aires itinerary.

9. Day 9 — Wednesday, Mar 31, 2027 — At Sea

   Day 9 of 10 is a day at sea aboard Costa Serena, cruising between ports on the South America from Buenos Aires itinerary.

10. Day 10 — Thursday, Apr 1, 2027 — Buenos Aires, Argentina

    Buenos Aires, Argentina is a scheduled port of call on day 10 of the 9-night South America from Buenos Aires cruise on Costa Serena. Expected weather: partially cloudy with highs near 73°F.