In November, the weather in Nagano is typically cold. Average daily high temperature in November is about 9 degrees above zero. On average, Nagano has 15 rainy, 6 sunny, 5 cloudy, 3 partly cloudy, and 1 snowy day in November. The rains are usually heavy. November as well as February, March, April, and May is considered the most uncomfortable time to visit Nagano.