April weather forecast in Atami

April in Atami is the windiest month of the year. In April, the weather in Atami is typically warm. Average daily high temperature in April is about 16 degrees above zero. On average, Atami has 15 rainy, 6 cloudy, 5 sunny, and 4 partly cloudy days in April. The rains are usually heavy. April as well as January, February, March, and June is considered the most uncomfortable time to visit Atami.