July in Nemuro is the cloudiest month of the year. In July, the weather in Nemuro is typically warm. Average daily high temperature in July is about 15 degrees above zero. On average, Nemuro has 12 rainy, 11 cloudy, 7 partly cloudy, and 1 sunny day in July. The rains are usually heavy. July as well as March, April, May, and June is considered the most uncomfortable time to visit Nemuro.