April in Obihiro is the windiest month of the year. In April, the weather in Obihiro is typically cold. Average daily high temperature in April is about 9 degrees above zero. On average, Obihiro has 13 sunny, 12 partly cloudy, and 5 rainy days in April. The rains are usually moderate. April as well as March, November, and December is considered the most uncomfortable time to visit Obihiro.