When is the Rainy Season in Japan? What are Pros and Cons?




Does you country have the rainy season? If you do, when is it?

This post shows you when the rainy season is in Japan as well as advantages and disadvantages of the rainy season.



When is Rainy Season in Japan?

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Japan has the rainy season every year. But when is it?

Depending on locations, rainy season starts different date. Typically Southern Japan has early rainy season in May or June and Northern part has it in June or July.


For instance, in Okinawa, it started around May 16th in 2016 and continued until June 23rd. In Tokyo rainy season for 2016 was between June 5th and July 29th.




Starting and Ending Day of the Rainy Season

Below are the average dates that the rainy season starts in various areas in Japan according to Japan Meteorological Agency.

The actual date changes every year slightly, but you can see that the rainy season starts in Southern part first and moves to Northern part of Japan.



Region Day of Starting Day of Ending
Okinawa May 9th June 23rd
Amami Islands May 11th June 29th
Southern Kyushu (Miyazaki, Kagoshima) May 31st July 14th
Northern Kyushu (Fukuoka) June 5th July 19th
Shikoku (Tokushima, Ehime) June 5th July 18th
Chugoku (Yamaguchi, Tottori) June 7th July 21st
Kinki (Osaka, Kyoto) June 7th July 21st
Tokai (Aichi, Mie) June 8th July 21st
Kanto (Tokyo) June 8th July 21st
Hokuriku (Ishikawa, Toyama) June 12th July 24th
Southern Tohoku (Miyagi, Fukushima) June 12th July 25th
Northern Tohoku (Aomori, Iwate) June 14th July 28th


As you can see, the rainy season continues for about a month.

After the rainy season, it will get hotter and drier, and hot summer begins with the sound of cicadas.

Hokkaido doesn’t have the rainy season. Lucky them!!!



Pros and Cons of the Rainy Season



Because it rains almost everyday during the rainy season, people get annoyed.

However, rain doesn’t always mean terrible.


Here are pros and cons. Let’s take a look at cons first.


1. Humid

Feel annoyed and uncomfortable. It’s especially the enemy of girls because their hair gets messy.

2. Food goes bad quickly

During the rainy season, food tends to go bad quickly due to humidity. Be extra cautious and don’t eat bad food!

3. Takes time to dry clothes

In Japan, many people put laundry out to dry. So when it rains, they put it inside the house. If it doesn’t get dry quickly, it starts stink and they feel irritated. The best way is to use a dryer if possible.




1. Moisturizes air and skin

Good for skin and hair. Without rainy season, Japanese might look older (=dry skin).

2. Helps to grow the crops

Can be purchased at reasonable price. If crops don’t grow enough, consumers need to pay extra to get food.

3. Protects from UV

Although you still get UV when it’s cloudy and rainy, the amount is much less compared to sunny days.




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When I was in Japan, I hated the rainy season because it get super humid. Humidity was the thing I cannot control so I felt very uncomfortable.


However, as I review advantages and disadvantages, I understand the rainy season is important and necessary.


To sum up, the disadvantages of rainy season include: humidity, food goes bad and it takes time to dry laundry.

The advantages, on the other hand, include: it moisturizes air and skin, helps to crops to grow and protects from UV.


If you think about the pros, the rainy season is not that bad.




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