June in Matsumoto is the cloudiest month of the year. In June, the weather in Matsumoto is typically warm. Average daily high temperature in June is about 20 degrees above zero. On average, Matsumoto has 24 rainy, 3 cloudy, 2 sunny, and 1 partly cloudy day in June. The rains are usually heavy. June as well as February, March, July, and August is considered the most uncomfortable time to visit Matsumoto.