February in Nikko is the windiest month of the year. In February, the weather in Nikko is typically cold. Average daily high temperature in February is about 2 degrees above zero. On average, Nikko has 11 rainy, 8 partly cloudy, 7 sunny, and 3 cloudy days in February. The rains are usually heavy. February as well as January, March, April, and May is considered the most uncomfortable time to visit Nikko.