The rainy season in Japan, also known as tsuyu, typically lasts from early June to mid-July. During this period, the country experiences frequent heavy rainfall and high humidity. The amount of rainfall varies by region, with some areas receiving more than twice as much rain as others.
The monsoon season in Japan, which typically occurs from mid-July to mid-September, brings heavy rainfall and strong winds. This season is especially pronounced in the western and southern parts of the country, where typhoons can cause widespread damage.
The winter months in Japan are generally drier, with less rainfall than other seasons. However, some areas, particularly in the mountainous regions, can experience heavy snowfall.