The top time to seek deals on cruises in the Caribbean is in the low season, which starts from July up to mid-December.  During this season, cruise lines frequently offer packages including sports, spa treatments, accommodations and air. Rates drop significantly in the low season. As temperatures in North America start to cool, Caribbean cruise deals start to heat up.  Many people say that voyage to the Caribbean in low season is unsafe because you are more probable to meet unsafe weather situation.  However, the possibility of you being trapped in a hurricane through your trip is comparatively low. Failing that its always safe to go on a med cruise during usual hurricane seasons.