May in Goryachiy Klyuch is the windiest month of the year. In May, the weather in Goryachiy Klyuch is typically warm. Average daily high temperature in May is about 12 degrees above zero. On average, Goryachiy Klyuch has 13 rainy, 8 cloudy, 6 partly cloudy, and 4 sunny days in May. The rains are usually moderate.