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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…The Costa Diadema sails a 3-night South America from Santos | São Paulo itinerary with Costa Cruises, departing Santos, Brazil on December 17, 2026. The route makes 3 scheduled stops. Travelers sailing in December can generally expect cooler, off-season conditions. Ports of call: Santos, Brazil, Itajai, Brazil, Santos, Brazil. Use the day-by-day forecast below to plan what to pack for each stop.
Santos, Brazil is a scheduled port of call on day 1 of the 3-night South America from Santos | São Paulo cruise on Costa Diadema. Expected weather: partially cloudy with highs near 77°F.
Itajai, Brazil is a scheduled port of call on day 2 of the 3-night South America from Santos | São Paulo cruise on Costa Diadema. Expected weather: partially cloudy with highs near 82°F.
Santos, Brazil is a scheduled port of call on day 3 of the 3-night South America from Santos | São Paulo cruise on Costa Diadema. Expected weather: partially cloudy with highs near 77°F.
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