August in Brest is the sunniest month of the year. In August, the weather in Brest is typically warm. Average daily high temperature in August is about 23 degrees above zero. On average, Brest has 14 sunny, 13 partly cloudy, and 4 rainy days in August. The rains are usually light. August as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Brest.