January in Hachinohe is the snowiest and the coldest month of the year. In January, the weather in Hachinohe is typically freezing. Average daily high temperature in January is about zero. On average, Hachinohe has 14 partly cloudy, 9 snowy, 4 sunny, 3 cloudy, and 1 rainy day in January. The snowfalls are usually moderate. January as well as February, March, April, and July is considered the most uncomfortable time to visit Hachinohe.