During May the temperatures in the Caribbean typically vary between a daily high of about 86.1 degrees and a daily low of approximately 76.6 degrees. On average, it rains in the Caribbean a total of 9.0 days during the month, with an average total rainfall of about 4.8 inches.

During the early morning hours of an average May day in the Caribbean, you can expect the temperature will be in the vicinity of 78.5 degrees. Temperatures in the Caribbean typically rise during the day, to an average of 85.2 degrees in the early afternoon. By early evening, temperatures in the Caribbean generally decline to around 80.1 degrees. Temperatures in the Caribbean average around 81.0 degrees during May.

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