World’s Joint Hottest Month Officially Recorded: comment
August 2026 was the warmest August on record globally and the joint-warmest month across all calendar months, on par with July 2023.

By Gareth Redmond-King
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Commenting on analysis from the Copernicus Climate Change Service that August was the joint hottest month on record, and pushed global temperatures back over 1.5°C heating since pre-industrial times [1], Gareth Redmond-King, Head of International Programme at the Energy and Climate Intelligence Unit (ECIU) said:
“Just two months before the next UN climate summit, another warning siren sounds at Europe’s leading Earth observation satellite, Copernicus. With thousands of people still missing after the climate-driven collapse of a glacier in the mountains of Tibet and Nepal, the world experienced its joint hottest month in August and global temperatures are climbing back above 1.5°C higher than pre-industrial levels. All whilst farmers at home face the worst harvest on record [2] as those producing the two fifths of our food that we import are looking at a powerful El Niño coming to turbo-charge the damage climate change is already wreaking. [3]
"World leaders gathering ahead of COP31 in the coming weeks know the solution: cut greenhouse gas emissions rapidly towards net zero while strengthening resilience to the impacts already locked in. The task now is to match the scale of the science with the scale of action, supporting communities already on the frontline of climate impacts while accelerating the transition away from coal, oil and gas to bring our climate back into balance."
Notes to editors:
2. Impact of heatwaves and drought on UK harvest prospects in 2026 (ECIU)
3. El Niño: quarter of UK food imports – including rice, coffee and cocoa – from parts of world most exposed (ECIU)
For more information or for interview requests:
Tricia Curmi, ECIU, Tel: 020 8156 5305, M: 07894 571 153, email: tricia.curmi@eciu.net