The European Copernicus Climate Change Service announced today that 2025 will almost certainly finish as the second or third warmest year ever recorded, effectively matching 2023 and trailing only 2024.
From January to November 2025, the global average temperature stood 0.60°C above the 1991–2020 reference period — equivalent to 1.48°C above pre-industrial levels (1850–1900).
November ranks third-warmest globally
November 2025 registered as the third-hottest November on record, after 2023 and 2024, with a global surface temperature of 14.02°C — 0.65°C above the 1991–2020 average.
The month brought extreme weather events worldwide, notably devastating tropical cyclones and large-scale flooding in Southeast Asia that claimed many lives.
Three-year average crosses 1.5°C threshold
Copernicus data show that the 2023–2025 three-year average will exceed the 1.5°C Paris Agreement limit for the first time on a triennial basis.
Samantha Burgess, deputy director of C3S, stressed that these milestones reflect accelerating climate change. She added that the only way to curb future warming is to cut greenhouse-gas emissions sharply.
Last month, temperatures ran above average across the planet, especially in northern Canada, under the Arctic Ocean, and throughout Antarctica.
Read the whole report here.
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