August in Santa Cruz de Tenerife is the sunniest month of the year. In August, the weather in Santa Cruz de Tenerife is typically warm. Average daily high temperature in August is about 22 degrees above zero. On average, Santa Cruz de Tenerife has 18 sunny, 10 partly cloudy, and 3 rainy days in August. The rains are usually light. August as well as September is considered the most comfortable time to visit Santa Cruz de Tenerife.