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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Join Costa Cruises's Costa Serena for a 9-night voyage on the South America from Buenos Aires route, setting out from Buenos Aires, Argentina on December 27, 2026. The route makes 7 scheduled stops. Travelers sailing in December can generally expect cooler, off-season conditions. Ports of call include Buenos Aires, Argentina, Montevideo, Uruguay, Camboriu, Brazil, with 4 more along the way. The forecasts below break the weather down port by port.
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 82°F.
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 73°F.
Camboriu, Brazil is a scheduled port of call on day 3 of the 9-night South America from Buenos Aires cruise on Costa Serena. Expected weather: partially cloudy with highs near 83°F.
Ilha Grande, 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 71°F.
Rio De Janeiro, 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 78°F.
Ilhabela, 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 80°F.
Buenos Aires, Argentina 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 82°F.
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Most PopularBuenos Aires Private City Tour with Local Guide
From $109
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Most PopularMontevideo Highlights: Shared City Tour for Cruise Passengers
From $49
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Budget PickHalf-day Regular City Tour at Montevideo
From $25
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Most PopularPrivate Waterfalls and Still Jeep 4x4 6hrs by Jango Paraty
From $380
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Most PopularFull Day in Rio: Christ, Sugarloaf, Selarón & Barbecue Lunch
From $77
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Budget Pick3 Hour Rocinha Favela Walking Tour with a Local Guide
From $46
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Most PopularCooking Class Designed by Michelin Chef @ Argentine Experience
From $65
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Buenos Aires, Argentina
Most PopularBuenos Aires Private City Tour with Local Guide
From $109
Book NowMontevideo, Uruguay
Most PopularMontevideo Highlights: Shared City Tour for Cruise Passengers
From $49
Book NowBudget PickHalf-day Regular City Tour at Montevideo
From $25
Book NowIlha Grande, Brazil
Most PopularPrivate Waterfalls and Still Jeep 4x4 6hrs by Jango Paraty
From $380
Book NowRio De Janeiro, Brazil
Most PopularFull Day in Rio: Christ, Sugarloaf, Selarón & Barbecue Lunch
From $77
Book NowBudget Pick3 Hour Rocinha Favela Walking Tour with a Local Guide
From $46
Book NowBefore you disembark Buenos Aires, Argentina
Short on time — quick options that fit before you head out.
Most PopularCooking Class Designed by Michelin Chef @ Argentine Experience
From $65
Book NowPowered by Viator/Tripadvisor. Booking through our links may earn us a commission keeping this site free at no cost to you.
