August in Krasnoarmeysk is the sunniest month of the year. In August, the weather in Krasnoarmeysk is typically warm. Average daily high temperature in August is about 27 degrees above zero. On average, Krasnoarmeysk has 20 sunny, 8 partly cloudy, and 3 rainy days in August. The rains are usually light. August as well as June and July is considered the most comfortable time to visit Krasnoarmeysk.