May in Roshni-Chu is the rainiest and the cloudiest month of the year. In May, the weather in Roshni-Chu is typically warm. Average daily high temperature in May is about 17 degrees above zero. On average, Roshni-Chu has 25 rainy and 6 sunny days in May. The rains are usually heavy. May as well as March and April is considered the most uncomfortable time to visit Roshni-Chu.