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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Join Costa Cruises's Costa Diadema for a 3-night voyage on the South America from Santos | São Paulo route, setting out from Santos, Brazil on December 10, 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. The forecasts below break the weather down port by port.
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 76°F.
Day 2 of 4 is a day at sea aboard Costa Diadema, cruising between ports on the South America from Santos | São Paulo itinerary.
Itajai, 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 80°F.
Santos, Brazil is a scheduled port of call on day 4 of the 3-night South America from Santos | São Paulo cruise on Costa Diadema. Expected weather: partially cloudy with highs near 76°F.
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