In August, the weather in Nizhny Novgorod is typically warm. Average daily high temperature in August is about 23 degrees above zero. On average, Nizhny Novgorod has 15 sunny, 8 partly cloudy, 7 rainy, and 1 cloudy day in August. The rains are usually light. August as well as July is considered the most comfortable time to visit Nizhny Novgorod.