July in Calas de Mallorca is the sunniest month of the year. In July, the weather in Calas de Mallorca is typically hot. Average daily high temperature in July is about 29 degrees above zero. On average, Calas de Mallorca has 27 sunny, 3 partly cloudy, and 1 rainy day in July. The rains are usually light. July as well as May and June is considered the most comfortable time to visit Calas de Mallorca.