July in Navi Mumbai is the rainiest, the windiest, and the cloudiest month of the year. In July, the weather in Navi Mumbai is typically hot. Average daily high temperature in July is about 29 degrees above zero. On average, Navi Mumbai has 31 rainy days in July. The rains are usually heavy. July as well as June, August, and September is considered the most uncomfortable time to visit Navi Mumbai.