The most pleasant months of the year for Plantation Island are December, February and January. In Plantation Island, there are 6 comfortable months with high temperatures in the range of 70-85°. August is the hottest month for Plantation Island with an average high temperature of 92.3°, which ranks it as one of the hottest places in Florida. Any measurable snowfall is a rare occurance in Plantation Island. The humidity here has been described as oppressive or stifling in the summer.