August in Santa Cruz de la Palma is the sunniest month of the year. In August, the weather in Santa Cruz de la Palma is typically warm. Average daily high temperature in August is about 23 degrees above zero. On average, Santa Cruz de la Palma has 26 sunny and 5 partly cloudy days in August. August as well as July and September is considered the most comfortable time to visit Santa Cruz de la Palma.