Tsuyu : The Rainy Season in Japan

In early summer, the wet season called "Tsuyu" comes around to bring lots of rain and damp humid weather to Japan. The beginning and the end of Tsuyu season vary by region.

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When is the rainy season in Japan?

In Tokyo, Tsuyu season usually begins around 10th of June and ends around 20th of July.
For the Northern region, it comes a bit later and begins in late June and ends in late July. Thankfully, no Tsuyu comes to Hokkaido region. In Okinawa located in southernmost of Japan, the Tsuyu season begins in early May and ends in early June.

Things to know about the rainy season - Be careful when making Bento lunch box.

For tourists who want to enjoy trips under the sun, it is, advisable to avoid traveling around the rainy season. Also, it is also advised that care should be taken for food poisoning, especially if you are a worker or a student who brings Bento (homemade lunch box).

Wash your hands well

Also, be sure that the Manaita cutting board is clean.

Use only cooked food

Keep-refrigerated food, such as ham, should also be cooked. No salad should be included in the Bento box in the rainy season.

Avoid wetness inside of Bento box

Don’t close the lid of Bent box while the contained food is still hot, as it leads to wetness causing spoilage. 

Use food divider to separate each food to prevent spoilage

Another thing you can do to cope with food poisoning is to put an antibacterial film in the Bento box, that is called  “弁当箱 抗菌シートBento Bako Koukin Shiito” and young Japanese mothers often use it for their kid’s bento.

There are various types of Koukin Shiito films, contain different ingredients such as silver ion, catechins, ginger, and wasabi. You can buy Obento Bako Koukin Shiito at a supermarket or a 100Yen Shop.

One thing you should know is that Obento Bako Koukin Shiito is to slow the growth of bacteria as it contains no germicidal agent or preservatives. In any case, the Bento box should be kept in a cool place as possible as you can.


Obento Bako Koukin Shiito
- Amazon Japan -

In case you get a diarrhea from food poisoning

It is not good to take medicine to relieve the pain as it may stop bowel movement. What you should do as soon as possible is to get your body rid of the toxins by defecating. However, in the case of “emergency” that happens in a place having no toilet facilities, there’s no choice but relying on the one.

The antidiarrheal agent “Seirogan 正露丸” is the most commonly known in Japan, probably 99% of Japanese people know, old and young alike. Japanese travelers often bring this medicine for peace of mind rather than for actual use.



Seirogan
- Amazon Japan -