August in Fuerteventura is the sunniest and the warmest month of the year. In August, the weather in Fuerteventura is typically warm. Average daily high temperature in August is about 24 degrees above zero. On average, Fuerteventura has 23 sunny and 8 partly cloudy days in August. August as well as May, June, July, and September is considered the most comfortable time to visit Fuerteventura.