May in Novogrudok is the rainiest month of the year. In May, the weather in Novogrudok is typically warm. Average daily high temperature in May is about 17 degrees above zero. On average, Novogrudok has 18 rainy, 9 sunny, 3 partly cloudy, and 1 cloudy day in May. The rains are usually moderate. May as well as March, April, October, and November is considered the most uncomfortable time to visit Novogrudok.