December in Nemuro is the windiest month of the year. In December, the weather in Nemuro is typically cold. Average daily high temperature in December is about 2 degrees above zero. On average, Nemuro has 11 partly cloudy, 9 sunny, 7 rainy, 2 snowy, and 2 cloudy days in December. The rains are usually heavy. December as well as March, April, May, and June is considered the most uncomfortable time to visit Nemuro.