August in Kamakura is the hottest month of the year. In August, the weather in Kamakura is typically hot. Average daily high temperature in August is about 29 degrees above zero. On average, Kamakura has 14 rainy, 8 sunny, 6 partly cloudy, and 3 cloudy days in August. The rains are usually heavy. August as well as January, February, March, and April is considered the most uncomfortable time to visit Kamakura.