3-Night Cruise on Costa DiademaSouth America from Itajai - Weather

Departing Itajai, Brazil on December 2, 2026, the Costa Cruises ship Costa Diadema runs this 3-night South America from Itajai sailing. The route makes 3 scheduled stops. Travelers sailing in December can generally expect cooler, off-season conditions. Ports of call: Itajai, Brazil, Santos, Brazil, Itajai, Brazil. Scroll the daily outlook below to pack smart for every port of call.

1. Day 1 — Wednesday, Dec 2, 2026 — Itajai, Brazil

   Itajai, Brazil is a scheduled port of call on day 1 of the 3-night South America from Itajai cruise on Costa Diadema. Expected weather: partially cloudy with highs near 79°F.

2. Day 2 — Thursday, Dec 3, 2026 — Santos, Brazil

   Santos, Brazil is a scheduled port of call on day 2 of the 3-night South America from Itajai cruise on Costa Diadema. Expected weather: partially cloudy with highs near 75°F.

3. Day 3 — Friday, Dec 4, 2026 — At Sea

   Day 3 of 4 is a day at sea aboard Costa Diadema, cruising between ports on the South America from Itajai itinerary.

4. Day 4 — Saturday, Dec 5, 2026 — Itajai, Brazil

   Itajai, Brazil is a scheduled port of call on day 4 of the 3-night South America from Itajai cruise on Costa Diadema. Expected weather: partially cloudy with highs near 79°F.