In May, the weather in Namche Bazaar is typically cold. Average daily high temperature in May is about 2 degrees above zero. On average, Namche Bazaar has 17 rainy, 7 snowy, 6 sunny, and 1 partly cloudy day in May. The rains are usually heavy. May as well as June, July, August, and September is considered the most uncomfortable time to visit Namche Bazaar.