January in Kamakura is the sunniest and the coldest month of the year. In January, the weather in Kamakura is typically cold. Average daily high temperature in January is about 9 degrees above zero. On average, Kamakura has 16 sunny, 8 rainy, 5 partly cloudy, and 2 cloudy days in January. The rains are usually heavy. January as well as February, March, April, and June is considered the most uncomfortable time to visit Kamakura.