The average yearly rainfall in Japan is 65.7 inches, based on 2014 data from the World Bank. The main rainy season begins in May in Okinawa and moves north across the country to Hokkaido in July. Typhoons can also bring heavy rain to the country in summer and fall.Continue Reading
Japan has a mainly temperate climate. Rainfall is typically not heavy in the northern region of Hokkaido. To the south, the Ryukyu Islands generally experience periods of heavy rainfall.
Japan is an island country located in East Asia. Its capital, and largest city, is Tokyo. Japan has a population of 127,103,388 based on 2014 estimates.Learn more about East Asia