The average summer temperature in the Tohoku region this year was the third lowest since the end of World War II, and most other parts of the country also saw less sunshine and more rain.
The Meteorological Agency said Monday that the average temperature from June to August in the Tohoku region and Hokkaido was 1.2 degrees below average.
In eastern and central Japan, covering the Kanto, Koshin, Hokuriku and Tokai regions, the temperature was 0.6 degrees below average, while in western and southwestern Japan, covering the Kinki, Chugoku, Shikoku and Kyushu regions, it was 0.3 below average.
The number of days when the highest temperature was above 30, and when the lowest was above 25, fell below the number for an average year across Japan, except in the Nansei Islands in the southwest.
In Tokyo, there was not a single day when the mercury rose above 35 and only 24 days when it surpassed 30, compared with 38.4 days in an average year. Only on 12 days was the lowest temperature above 25, much less than last year and below the average.
In Hokkaido, there was no “hot summer day,” when the mercury rises above 30, compared with its annual average of 7.5 days.
In prefectures where rice production is suffering from the low temperatures and lack of sunshine, Aomori had only two such hot days, one-sixth of the average, while Iwate had four, a quarter of its usual average. Akita had five, a third of its average, and Niigata had half its normal average at 14 days.
Except for the Nansei Islands and southern Kyushu, average temperatures were lower throughout Japan. In Hachinohe, Aomori Prefecture, the temperature was 2 degrees below the average year.
The duration of sunlight was also below average for most of Japan, with the exception of the Nansei Islands and parts of Hokkaido.
In Miyako, Iwate Prefecture, there were only 248.6 hours of sunlight, down 45 percent from the average, the agency said. The total duration of sunlight over the three-month period hit record lows in 10 places around the country.
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