In July, the weather in Playa del Carmen is typically hot. Average daily high temperature in July is about 31 degrees above zero. On average, Playa del Carmen has 20 rainy, 7 partly cloudy, 3 sunny, and 1 cloudy day in July. The rains are usually heavy. July as well as June, August, September, and October is considered the most uncomfortable time to visit Playa del Carmen.