weather in the cayman islands bahamas
1 When Is the Worst Time to Travel to the Bahamas? 2  What Is the Worst Time of the Year to Go to the Caribbean?  The Caribbean includes more than 5,000 islands, reefs and cays. Among the most popular are Aruba, Jamaica, the Bahamas, Cayman Islands, Barbados and the U.S. Virgin Islands. The average temperatures in this climate zone fluctuate, with lows in the low 70s Fahrenheit in winter and daytime highs in the mid-to-upper 80s in summer.