Costa Cruises · 9 nights
Costa Serena weather: 9-night cruise from Buenos Aires, December 27, 2026
The Costa Serena (Costa Cruises) leaves Buenos Aires on December 27, 2026 for a 9-night cruise, with stops in Montevideo, Balneário Camboriú, Ilha Grande, Rio De Janeiro and Ilhabela. It returns to Buenos Aires on January 5, 2027. Typical afternoon highs along the route run from 78°F to 88°F (26°C to 31°C), and 3 days are at sea, where seas are typically slight (around 3 ft).
Open the interactive forecast for this sailing
This page shows typical conditions for these dates. The interactive forecast adds a live day-by-day forecast, wave heights and weather alerts as the sailing gets closer.
Day-by-day itinerary and typical weather
| Day | Port | High / low | Rain days | Wind | Typical seas |
|---|---|---|---|---|---|
| Day 1Sun, Dec 27 | Buenos Aires Embark | 84 / 68°F29 / 20°C | 19% | 15 mph24 km/h | – |
| Day 2Mon, Dec 28 | Montevideo | 78 / 65°F26 / 19°C | 26% | 16 mph26 km/h | – |
| Day 3Tue, Dec 29 | At sea | 82 / 68°F28 / 20°C | 37% | 10 mph16 km/h | 3 ft (1.0 m)Slight; rougher days up to 5 ft |
| Day 4Wed, Dec 30 | Balneário Camboriú | 86 / 71°F30 / 22°C | 47% | 11 mph17 km/h | – |
| Day 5Thu, Dec 31 | Ilha Grande | 88 / 74°F31 / 23°C | 29% | 7 mph11 km/h | – |
| Day 6Fri, Jan 1 | Rio De Janeiro | 88 / 75°F31 / 24°C | 44% | 10 mph16 km/h | – |
| Day 7Sat, Jan 2 | Ilhabela | 88 / 73°F31 / 23°C | 51% | 7 mph12 km/h | – |
| Day 8Sun, Jan 3 | At sea | 86 / 72°F30 / 22°C | 38% | 8 mph14 km/h | 3 ft (0.9 m)Slight; rougher days up to 5 ft |
| Day 9Mon, Jan 4 | At sea | 86 / 72°F30 / 22°C | 38% | 8 mph14 km/h | 3 ft (0.9 m)Slight; rougher days up to 5 ft |
| Day 10Tue, Jan 5 | Buenos Aires Disembark | 85 / 70°F30 / 21°C | 24% | 15 mph24 km/h | – |
Seas are significant wave height, the average of the highest third of waves. What that means on board.
Ports on this cruise
- MontevideoWeather by month
- Balneário CamboriúWeather by month
- Ilha GrandeWeather by month
- Rio De JaneiroWeather by month
- IlhabelaWeather by month
- Buenos AiresWeather by month
More Costa Serena sailings
- January 5, 2027: 5 nights from Buenos Aires
- January 14, 2027: 8 nights from Buenos Aires
- January 22, 2027: 9 nights from Buenos Aires
- January 31, 2027: 8 nights from Buenos Aires