August in Fisterra is the warmest month of the year. In August, the weather in Fisterra is typically warm. Average daily high temperature in August is about 20 degrees above zero. On average, Fisterra has 17 sunny, 11 partly cloudy, and 3 rainy days in August. The rains are usually light. August as well as July and September is considered the most comfortable time to visit Fisterra.