January in Nisaki is the rainiest and the coldest month of the year. In January, the weather in Nisaki is typically warm. Average daily high temperature in January is about 11 degrees above zero. On average, Nisaki has 15 sunny, 12 rainy, and 4 partly cloudy days in January. The rains are usually heavy. January as well as February, March, and December is considered the most uncomfortable time to visit Nisaki.