August in Shilan is the sunniest month of the year. In August, the weather in Shilan is typically warm. Average daily high temperature in August is about 25 degrees above zero. On average, Shilan has 13 sunny, 8 partly cloudy, 7 rainy, and 3 cloudy 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 Shilan.