Home » News » When Will the Rainy Season End in Kyushu, Kanto Koshin, and Tohoku? | Japan Weather Forecast 2023

When Will the Rainy Season End in Kyushu, Kanto Koshin, and Tohoku? | Japan Weather Forecast 2023

The rainy season ends today in Shikoku and Hokuriku. When will the rainy season end in Kyushu, Kanto Koshin, and Tohoku? (Weather forecaster Rika Fukutomi July 21, 2023)-Japan Weather Association tenki.jp

Today, the 21st, the rainy season will end in Shikoku and Hokuriku When will the rainy season end in Kyushu, Kanto, Koshin, and Tohoku?

July 21, 2023 14:43

Yesterday, the 20th (Thursday), the rainy season ended in Chugoku, Kinki, and Tokai, and today, the 21st (Friday), the rainy season ended in Shikoku and Hokuriku. The areas where the rainy season has not yet ended are southern and northern Kyushu, Kanto-Koshin, southern Tohoku and northern Tohoku. This year’s rainy season is an irregular type. Countdown to the end of the rainy season in Kanto Koshin and Tohoku, and the rainy season will end on this Saturday and Sunday. Kyushu is likely to be carried over to next week.

Today, the 21st, the rainy season ends in Shikoku and Hokuriku

Yesterday, the 20th (Thursday), the rainy season ended in Chugoku, Kinki, and Tokai, and today, the 21st (Friday), the rainy season ended in Shikoku and Hokuriku. The end of the rainy season this year is an irregular type.

The pattern of the end of the rainy season can be roughly divided into two. There is a “northern-up type” in which the Pacific anticyclone strengthens and pushes the seasonal rain front northwards, ending the rainy season, and a “southern-down type” in which the seasonal rain front moves south to the south of Honshu and disappears.

In the case of the “northern type”, the summer sky lasts for about 10 days, as it is said to be “the 10th day after the rainy season”, and the strong sun shines down and the heat wave continues.

In the case of the “southern type”, humid air tends to enter and it tends to be an irregular summer. This year, the rainy season has ended in the “southern type”. Moreover, the El Niño phenomenon (cold summer trend) will continue to affect the La Niña phenomenon (hot summer trend) that lasted for about three years, the temperature of the Indian Ocean will be high, global warming, etc., and it will be a difficult summer to predict.

When will the rainy season end in Kyushu, Kanto Koshin, and Tohoku?

Areas where the rainy season has not yet ended are southern Kyushu, northern Kyushu, Kanto-Koshin, southern Tohoku, and northern Tohoku.

Looking at the forecast for the future, in Kanto-Koshin, the atmospheric conditions will stabilize after Saturday, the 22nd, and sunny days will continue, so this Saturday and Sunday will be the timing of the end of the rainy season.

Even in the southern and northern Tohoku regions, the rainy season may end as early as this weekend.

End of rainy season forecast

Kyushu will continue to be affected by humid air for the foreseeable future, and there will be more cloudy and rainy days. From around the 26th (Wednesday) of next week, the Pacific high pressure will strengthen and the summer sky will spread, and the rainy season is likely to end around the middle of next week.

This year, the rainy season is likely to end earlier in Kanto-Koshin and Tohoku than in Kyushu.

By the way, the last three years (1997, 2001, 2010) were in southern Kyushu where the rainy season ended the latest.
・1997 The end of the rainy season in southern Kyushu around July 20, the latest of the 12 regions
・2001 The end of the rainy season in southern Kyushu around July 20 The end of the rainy season is the latest among the 11 regions excluding northern Tohoku, where the end of the rainy season was not identified.
・2010 The end of the rainy season in southern Kyushu around July 20, the latest of the 12 regions

Just after the end of the rainy season, the intense heat continues, so please be careful of heatstroke.
The number of people who enjoy leisure activities such as the sea and rivers is increasing, but please be aware that water accidents will increase at once.

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2023-07-21 05:43:15
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