May in Olenegorsk is the rainiest month of the year. In May, the weather in Olenegorsk is typically cold. Average daily high temperature in May is about 6 degrees above zero. On average, Olenegorsk has 21 rainy, 8 cloudy, and 2 sunny days in May. The rains are usually light. May as well as January, April, June, and July is considered the most uncomfortable time to visit Olenegorsk.