What is the rainiest season in Japan?

In Japan, the rainy season is called tsuyu (??), and lasts from early June to mid-July in most of the country (Honshu, Kyushu and Shikoku), approximately June 7 to July 20 in the Kansai and Kanto regions in Honshu.



Japan technically has two primary rainy periods, but the most distinct is the "Tsuyu" (plum rain) season. This early summer phenomenon usually lasts from early June to mid-July for most of the country (occurring about a month earlier in Okinawa). It is caused by the collision of cold northerly and warm southerly air masses, resulting in a stable weather front that brings high humidity and frequent, though not always constant, rainfall. Following this, the late summer and early autumn (August to September) bring a second peak in precipitation due to typhoon season. While Tsuyu is characterized by persistent drizzle and gray skies, the autumn rain often comes in the form of intense, tropical-storm-level downpours. Hokkaido, the northernmost island, is the only region largely unaffected by the Tsuyu front, making it a popular refuge for travelers during the damp summer months.

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June is the wettest month of the year across Honshu, with tropical showers occurring until early July. In terms of temperature and weather conditions, spring and autumn are typically the most pleasant times of the year to visit Honshu.

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Annual precipitation averages between 1,000 and 2,500 mm (40 and 100 in) except for the areas such as Kii Peninsula and Yakushima Island which is Japan's wettest place with the annual precipitation is one of the world's highest at 4,000 to 10,000 mm.

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The wettest place in Japan, and among the most rain-soaked destinations the world over, Yakushima is hit by at least 250mm (9.8 inches) of rain every month. In the summer typhoon season this number can triple. Annual rainfall readings reach up to 10 meters (390 inches).

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The best time to visit Japan is between March and May and between September and November as it's both warm and dry between these periods. However, the joys of springtime and the iconic blooming of the cherry blossoms in Japan are no secret, which means you'll be sharing the space with plenty of other travelers.

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The best time to visit Japan is spring (March & April) or autumn (October & November), when days are sunny and dry. During the summer months (May to September), the cities are hot and humid, with heavy rainfall occurring across the country in June & July, except for Hokkaido.

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April. Besides autumn, April is often considered the best time to visit Japan because the cherry blossom are in bloom and the weather is pleasantly mild.

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The rainy season starts in mid-June and last until mid to late-July over much of the country. In Okinawa its starts and finishes in mid-May and finishes in late June. Hokkaido does not experience a rainy season. Typhoons mostly occur in the autumn (fall) months.

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For most travelers, the rainy season isn't the ideal time to visit Japan. The rain and storms which characterize the period put a lot of people off. Both the periods before and after are more popular times to go. However, the weather is unpredictable and wet weather is not guaranteed.

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In Tokyo, “tsuyu” (??) - the rainy season - usually begins in mid-June and ends near the end of July. It rains at least a little almost every day, sometimes no more than a gentle drizzle, and sometimes quite a bit more.

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August tends to be very humid and usually is typhoon season in Japan. But note, the rainfall and winds can be somewhat sporadic, so you'll still find some warm and nice days out throughout the month as well. Although August is not technically Japan's rainy season, rain still tends to be a reality for most of Japan.

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Winter. Winter in Japan lasts from late December to mid-March with temperatures from 30 to 45 F (0 to 8 C). Winter is great for frugal travelers – if you avoid the holidays, winter is one of the cheapest times to visit Japan. After the holidays pass, mid-January to mid-March is also the least crowded time to visit.

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Ideally, how long for a trip to Japan ? We recommend a minimum of 2 weeks to discover the Japanese archipelago. This is the minimum travel time in Japan to have time to visit Tokyo, Kyoto and their surroundings. For this, we advise you to spend a minimum of 6 nights in Tokyo and 6 nights in the Kyoto region .

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