May in Bustehrad is the rainiest month of the year. In May, the weather in Bustehrad is typically warm. Average daily high temperature in May is about 17 degrees above zero. On average, Bustehrad has 15 rainy, 9 sunny, 6 partly cloudy, and 1 cloudy day in May. The rains are usually moderate. May as well as January, February, and December is considered the most uncomfortable time to visit Bustehrad.