July in Polyarny is the rainiest and the warmest month of the year. In July, the weather in Polyarny is typically warm. Average daily high temperature in July is about 15 degrees above zero. On average, Polyarny has 18 rainy, 8 cloudy, 4 sunny, and 1 partly cloudy day in July. The rains are usually light. July as well as April, May, June, and August is considered the most uncomfortable time to visit Polyarny.