9-Night Cruise on Costa SerenaSouth America from Montevideo - Weather

Join Costa Cruises's Costa Serena for a 9-night voyage on the South America from Montevideo route, setting out from Montevideo, Uruguay on January 23, 2027. The route makes 7 scheduled stops. Travelers sailing in January can generally expect cooler, off-season conditions. Ports of call include Montevideo, Uruguay, Camboriu, Brazil, Ilhabela, Brazil, with 4 more along the way. The forecasts below break the weather down port by port.

1. Day 1 — Saturday, Jan 23, 2027 — Montevideo, Uruguay

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

2. Day 2 — Sunday, Jan 24, 2027 — At Sea

   Day 2 of 10 is a day at sea aboard Costa Serena, cruising between ports on the South America from Montevideo itinerary.

3. Day 3 — Monday, Jan 25, 2027 — Camboriu, Brazil

   Camboriu, Brazil is a scheduled port of call on day 3 of the 9-night South America from Montevideo cruise on Costa Serena. Expected weather: partially cloudy with highs near 84°F. Balneário Camboriú weather in January

4. Day 4 — Tuesday, Jan 26, 2027 — Ilhabela, Brazil

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

5. Day 5 — Wednesday, Jan 27, 2027 — Rio De Janeiro, Brazil

   Rio De Janeiro, Brazil is a scheduled port of call on day 5 of the 9-night South America from Montevideo cruise on Costa Serena. Expected weather: partially cloudy with highs near 79°F. Rio de Janeiro weather in January

6. Day 6 — Thursday, Jan 28, 2027 — Ilha Grande, Brazil

   Ilha Grande, Brazil is a scheduled port of call on day 6 of the 9-night South America from Montevideo cruise on Costa Serena. Expected weather: partially cloudy with highs near 72°F.

7. Day 7 — Friday, Jan 29, 2027 — At Sea

   Day 7 of 10 is a day at sea aboard Costa Serena, cruising between ports on the South America from Montevideo itinerary.

8. Day 8 — Saturday, Jan 30, 2027 — At Sea

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

9. Day 9 — Sunday, Jan 31, 2027 — Buenos Aires, Argentina

   Buenos Aires, Argentina is a scheduled port of call on day 9 of the 9-night South America from Montevideo cruise on Costa Serena. Expected weather: partially cloudy with highs near 82°F. Buenos Aires weather in January

10. Day 10 — Monday, Feb 1, 2027 — Montevideo, Uruguay

    Montevideo, Uruguay is a scheduled port of call on day 10 of the 9-night South America from Montevideo cruise on Costa Serena. Expected weather: partially cloudy with highs near 75°F.