Lots of ships depart from Rome for Mediterranean cruises. The choice is yours for a Rome cruise - small luxury ships or large inexpensive ships. Sail from here to just about anywhere around the Mediterranean, and just about any month of the year. And with Rome cruises you'll definitely want to spend some extra time in this historic city.
Rome cruises actually depart from the port of Civitavecchia. It's about a one hour bus ride into Rome from the port. Cruises from Rome are definitely worth this minor inconvenience.
Lonely Planet has the ultimate guide to Rome. What to do, when to go, events, and more.
The climate in Rome is warm and sunny in spring and autumn, although humidity and high heat are threats in mid-summer. Italians generally go on holiday in August so some shops and businesses may be closed. September and October may be the best months.