Cruise in December? What will the weather be like?

I'm going on a cruise to the Western Caribbean in early December. The ports are Fort Lauderdale, Florida; George Town, Grand Cayman; Roatan, Honduras; Cozumel, Mexico; Princess' Cays, Bahamas. Just wondering if the weather will be warm? I've been to the Southern Caribbean twice, but never to the Western Caribbean, and I'm just wondering if I should be expecting about the same weather and warmth. Thanks!