Japan Data

Record High Temperatures in Japan

Society

In 2020, Japan equaled its highest recorded temperature to date of 41.1º in the city of Hamamatsu, Shizuoka Prefecture.

Japan equaled its highest ever temperature in accurately recorded history on August 17, 2020, as the mercury rose to 41.1º in Hamamatsu’s Naka Ward in Shizuoka Prefecture. The Japan Meteorological Agency had reported another scorching temperature of 40.9º in the city’s Tenryū Ward the day before.

The temperature of 41.1º was first recorded in Kumagaya, Saitama Prefecture, on July 23, 2018. The same year saw many highs across the country.

Of the 20 times the mercury has risen to 40.6º or higher in Japan, 7 were in Gifu Prefecture, and 4 in the city of Tajimi there.

Japan also saw a new all-time high for September in 2020, as Sanjō, Niigata Prefecture, recorded 40.4º on September 3.

Highest Temperatures on Record in Japan

Degrees Celsius Location Date
41.1 Naka, Hamamatsu, Shizuoka August 17, 2020
Kumagaya, Saitama July 23, 2018
41.0 Mino, Gifu August 8, 2018
Gero, Gifu August 6, 2018
Shimanto, Kōchi August 12, 2013
40.9 Tenryū, Hamamatsu, Shizuoka August 16, 2020
Tajimi, Gifu August 16, 2007
Kumagaya, Saitama August 16, 2007
40.8 Tainai, Niigata August 23, 2018
Ōme, Tokyo July 23, 2018
Tajimi, Gifu August 17, 2007
Yamagata, Yamagata July 25, 1933
40.7 Tajimi, Gifu July 23, 2018
Tajimi, Gifu July 18, 2018
Kōfu, Yamanashi August 10, 2013
40.6 Nagaoka, Niigata August 15, 2019
Mino, Gifu July 18, 2018
Kōfu, Yamanashi August 11, 2013
Katsuragi, Wakayama August 8, 1994
Tenryū, Hamamatsu, Shizuoka August 4, 1994

(Translated from Japanese. Banner photo: © Pixta.)

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