Weather Playa del Carmen features Playa del Carmen's year-round weather. Its sub-tropical climate is warm most of the time, having an annual average temperature of 27 degrees Celsius or 80 degrees Fahrenheit. With a very high humidity level of more or less than 90 percent, Weather Playa del Carmen can still assure you that Playa del Carmen's climate is quite consistent, offering you great beaches that are always warm enough to swim.