August in Stans is the sunniest month of the year. In August, the weather in Stans is typically warm. Average daily high temperature in August is about 20 degrees above zero. On average, Stans has 18 rainy, 8 sunny, 4 partly cloudy, and 1 cloudy day in August. The rains are usually heavy. August as well as January, February, March, and April is considered the most uncomfortable time to visit Stans.