7-Night Cruise on Oceania SirenaMediterranean Passage Rome to Barcelona - Weather

Join Oceania Cruises's Oceania Sirena for a 7-night voyage on the Mediterranean Passage Rome to Barcelona route, setting out from Civitavecchia, Italy on December 2, 2026. It's a classic Mediterranean cruise. Travelers sailing in December can generally expect mild, changeable weather that can turn cool and wet. Ports of call include Civitavecchia, Italy, Bastia, Corsica, Livorno, Italy, with 5 more along the way. The forecasts below break the weather down port by port.

1. Day 1 — Wednesday, Dec 2, 2026 — Civitavecchia, Italy

   Civitavecchia, Italy is a scheduled port of call on day 1 of the 7-night Mediterranean Passage Rome to Barcelona cruise on Oceania Sirena. Expected weather: partially cloudy with highs near 59°F.

2. Day 2 — Thursday, Dec 3, 2026 — Bastia, Corsica

   Bastia, Corsica is a scheduled port of call on day 2 of the 7-night Mediterranean Passage Rome to Barcelona cruise on Oceania Sirena. Expected weather: partially cloudy with highs near 60°F.

3. Day 3 — Friday, Dec 4, 2026 — Livorno, Italy

   Livorno, Italy is a scheduled port of call on day 3 of the 7-night Mediterranean Passage Rome to Barcelona cruise on Oceania Sirena. Expected weather: partially cloudy with highs near 56°F.

4. Day 4 — Saturday, Dec 5, 2026 — La Spezia, Italy

   La Spezia, Italy is a scheduled port of call on day 4 of the 7-night Mediterranean Passage Rome to Barcelona cruise on Oceania Sirena. Expected weather: partially cloudy with highs near 57°F.

5. Day 5 — Sunday, Dec 6, 2026 — Toulon, France

   Toulon, France is a scheduled port of call on day 5 of the 7-night Mediterranean Passage Rome to Barcelona cruise on Oceania Sirena. Expected weather: partially cloudy with highs near 60°F.

6. Day 6 — Monday, Dec 7, 2026 — Palamos, Spain

   Palamos, Spain is a scheduled port of call on day 6 of the 7-night Mediterranean Passage Rome to Barcelona cruise on Oceania Sirena. Expected weather: partially cloudy with highs near 58°F.

7. Day 7 — Tuesday, Dec 8, 2026 — Palma De Mallorca, Spain

   Palma De Mallorca, Spain is a scheduled port of call on day 7 of the 7-night Mediterranean Passage Rome to Barcelona cruise on Oceania Sirena. Expected weather: partially cloudy with highs near 61°F.

8. Day 8 — Wednesday, Dec 9, 2026 — Barcelona, Spain

   Barcelona, Spain is a scheduled port of call on day 8 of the 7-night Mediterranean Passage Rome to Barcelona cruise on Oceania Sirena. Expected weather: partially cloudy with highs near 59°F.