Costa Cruises · 7 nights
Costa Diadema weather: 7-night cruise from Itajaí, January 16, 2027
The Costa Diadema (Costa Cruises) leaves Itajaí on January 16, 2027 for a 7-night cruise, with stops in Santos (Sao Paulo), Buenos Aires and Montevideo. It returns to Itajaí on January 23, 2027. Typical afternoon highs along the route run from 80°F to 87°F (27°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 1Sat, Jan 16 | Itajaí Embark | 87 / 71°F30 / 22°C | 52% | 10 mph16 km/h | – |
| Day 2Sun, Jan 17 | Santos (Sao Paulo) | 87 / 74°F31 / 24°C | 49% | 9 mph15 km/h | – |
| Day 3Mon, Jan 18 | At sea | 86 / 72°F30 / 22°C | 35% | 9 mph14 km/h | 3 ft (0.9 m)Slight; rougher days up to 5 ft |
| Day 4Tue, Jan 19 | At sea | 86 / 72°F30 / 22°C | 35% | 9 mph14 km/h | 3 ft (0.9 m)Slight; rougher days up to 5 ft |
| Day 5Wed, Jan 20 | Buenos Aires | 85 / 70°F30 / 21°C | 21% | 14 mph23 km/h | – |
| Day 6Thu, Jan 21 | Montevideo | 80 / 69°F27 / 20°C | 28% | 17 mph27 km/h | – |
| Day 7Fri, Jan 22 | At sea | 83 / 70°F29 / 21°C | 40% | 10 mph16 km/h | 3 ft (0.8 m)Slight; rougher days up to 4 ft |
| Day 8Sat, Jan 23 | Itajaí Disembark | 87 / 71°F30 / 22°C | 52% | 10 mph16 km/h | – |
Seas are significant wave height, the average of the highest third of waves. What that means on board.
Ports on this cruise
- Santos (Sao Paulo)Weather by month
- Buenos AiresWeather by month
- MontevideoWeather by month
- ItajaíWeather by month
More Costa Diadema sailings
- January 23, 2027: 7 nights from Itajaí
- January 30, 2027: 7 nights from Itajaí