August in Astara is the sunniest and the warmest month of the year. In August, the weather in Astara is typically warm. Average daily high temperature in August is about 27 degrees above zero. On average, Astara has 23 sunny, 6 rainy, and 2 partly cloudy days in August. The rains are usually moderate. August as well as June and July is considered the most comfortable time to visit Astara.