August in Puerto de la Cruz is the warmest month of the year. In August, the weather in Puerto de la Cruz is typically warm. Average daily high temperature in August is about 21 degrees above zero. On average, Puerto de la Cruz has 21 sunny, 9 partly cloudy, and 1 rainy day in August. The rains are usually light. August as well as July and September is considered the most comfortable time to visit Puerto de la Cruz.