In May, the weather in Bol'shaya Murta is typically warm. Average daily high temperature in May is about 12 degrees above zero. On average, Bol'shaya Murta has 15 rainy, 11 cloudy, 3 sunny, and 2 partly cloudy days in May. The rains are usually moderate. May as well as January, February, April, and September is considered the most uncomfortable time to visit Bol'shaya Murta.