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Severe lingering summer heat centered on the Sea of Japan side; midsummer days continue nationwide

2026-08-18

Severe lingering summer heat centered on the Sea of Japan side; midsummer days continue nationwide

Across the Japanese archipelago, temperatures are rising significantly, particularly along the Sea of Japan side. As of 11:30 a.m., the number of locations nationwide reaching "midsummer day" status, with maximum temperatures of 30 degrees Celsius or higher, has reached 478.

This heat is being observed over a wide area, stretching from the Sea of Japan side of the Tohoku region down to the Kyushu region. Temperatures have been rising since the morning in various areas, and the heat is expected to become even more severe throughout the day.

The Japan Meteorological Agency is urging caution, noting that the risk of heatstroke is increasing. Please take sufficient care of your health by staying hydrated frequently and using air conditioning appropriately.

Temperatures are expected to remain high throughout the afternoon. When going out, please do not push yourself, and be sure to take thorough measures against the heat, such as taking breaks in cool places.

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