The rainy season in Japan is an annual phenomenon that usually occurs between the months of June and July. It is a period of heavy rainfall and strong winds, with the western parts of Honshu Island such as Hiroshima Prefecture, Ehime Prefecture, Shimane Prefecture, Yamaguchi Prefecture and Fukuoka Prefecture receiving the most rain. Despite the wet weather conditions, there are still plenty of indoor activities available for tourists who wish to explore all that Japan has to offer. With careful planning and preparation travelers should be able to enjoy their stay no matter what Mother Nature throws their way!