Japan has four distinct seasons and complex weather. Different regions present varying conditions. Spring and autumn are ideal seasons to visit. Spring (March - May) brings clear skies and cherry blossoms. Autumn (October - November) is a good time to visit with mild temperatures and brilliant fall colors.
Spring: Tokyo 35 - 72 F, Kobe 42- 70 F
Summer: Tokyo 62 - 86 F, Kobe 68 - 87 F
Winter: Tokyo 29 - 51 F, Kobe 37 - 50 F
Fall: Tokyo 42 - 70 F, Kobe 55 - 80 F