July in Santa Cruz de la Palma is the windiest and the sunniest month of the year. In July, the weather in Santa Cruz de la Palma is typically warm. Average daily high temperature in July is about 20 degrees above zero. On average, Santa Cruz de la Palma has 31 sunny days in July. July as well as June, August, and September is considered the most comfortable time to visit Santa Cruz de la Palma.