August in Val Màsino is the sunniest month of the year. In August, the weather in Val Màsino is typically warm. Average daily high temperature in August is about 14 degrees above zero. On average, Val Màsino has 20 rainy, 10 sunny, and 1 partly cloudy day in August. The rains are usually heavy. August as well as March, April, May, and June is considered the most uncomfortable time to visit Val Màsino.