July in Sumon Kholchuk is the rainiest and the warmest month of the year. In July, the weather in Sumon Kholchuk is typically warm. Average daily high temperature in July is about 17 degrees above zero. On average, Sumon Kholchuk has 27 rainy and 4 sunny days in July. The rains are usually heavy. July as well as January, February, April, and May is considered the most uncomfortable time to visit Sumon Kholchuk.