The China Mail - Japan, South Korea had hottest summer on record in 2025

Temperatures the world over have soared in recent years as climate change creates ever more erratic weather patterns.

Japan's average temperature between June and August "was 2.36C above the standard value, which marked the hottest summer since records began in 1898", according to the Japan Meteorological Agency (JMA).

"It was the third consecutive summer of record-level high temperatures," the JMA added.

During that same period in South Korea, the average temperature was 25.7C, "the highest since data collection began in 1973", the Korea Meteorological Administration said in a press release.

The previous record over the same period was 25.6C, set just last year.

In Japan the scorching heat left some 84,521 people hospitalised nationwide from May 1 to August 24 this year, up slightly from 83,414 during the same period last year, according to the Fire and Disaster Management Agency.

- 'All man-made' -

In Tokyo, avid runner Masao Nakano, 80, told AFP he pines for the old days when he could just "step outside, sprinkle water in the street and feel the cool air".

Nakano says he survived the sizzling summer by working out at a gym and jogging to prepare for a marathon.

"This is crazy. It's all man-made, right? All the air-cons and power generation", he said.

Japan's beloved cherry trees are blooming earlier due to the warmer climate, or sometimes not fully blossoming because autumns and winters are not cold enough to trigger flowering, experts say.

The famous snowcap of Mount Fuji was absent for the longest recorded period last year, not appearing until early November, compared with the average of early October.

In South Korea, the country is grappling with a prolonged drought that has hit the eastern coastal city of Gangneung.

A state of national disaster has been declared in the city of 200,000 after weeks without rain -- with water levels at the Obong reservoir, the city's main source of piped water, falling below 15 percent.

The dry spell has forced authorities to implement water restrictions, including shutting off 75 percent of household meters.

Heatwaves are becoming more intense and frequent worldwide because of human-caused climate change, scientists say.

But the speed of temperature increases across the world is not uniform.

Of the continents, Europe has seen the fastest warming per decade since 1990, followed closely by Asia, according to global data from the US National Oceanic and Atmospheric Administration (NOAA).

The United Nations warned last month that rising global temperatures are having an ever-worsening impact on the health of workers, and was also hitting productivity, which they say dropped by two to three percent for every degree above 20C.

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