Last month was the world’s hottest January on record, E.U. scientists say
- January 2025 was the warmest January on record, according to new data released by the Copernicus Climate Change Service.
- Average temperatures in January were 1.75°C warmer than before significant greenhouse gas emissions began.
- Countries continue to burn large amounts of oil, gas, and coal, contributing to this record heat.
- Scientists warn that warming above 1.5 degrees Celsius increases extreme weather events like heatwaves and droughts.
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236 Articles
Entering 2025 under the influence of the La Niña climate phenomenon, which significantly affects global weather patterns, last month was recorded as the warmest January ever, said Levent Kurnaz, director of the Center for Climate Change and Policy Research and Application at Turkey's Boğaziçi University.
Global heat record shattered. January 2025 was the hottest ever
The world recorded its hottest January ever in 2025, with global temperatures 1.75°C above pre-industrial levels, according to the WMO and Copernicus Climate Service. This marks the 18th time in 19 months that temperatures exceeded the 1.5°C threshold set by the Paris Agreement.
Was last month the hottest ever?
January 2025 was the hottest month ever recorded by the European Union's Copernicus Climate Change Service, which detected the planet's temperature to be 1.75 degrees Celsius (°C) above pre-industrial levels and 0.79°C above the 1991-2020 average for the month, with a surface air temperature of 13.23°C.


Record January heat suggests La Niña may be losing its ability to keep global warming in check
January 2025 was the hottest on record – a whole 1.7°C above pre-industrial levels. If many climate-watchers expected the world to cool slightly this year thanks to the natural “La Niña” phenomena, the climate itself didn’t seem to get the memo. In fact, January 2025’s record heat highlights how human-driven ocean warming is increasingly overwhelming these natural climate patterns. La Niña is a part of the El Niño southern oscillation, a climate…
2025 sets record for hottest January ever
The World Meteorological Organization (WMO) announced on Thursday that January 2025 was the hottest January ever recorded, according to data analyzed by the UN's Copernicus Climate Service. The month saw temperatures 1.75°C above pre-industrial levels and 0.79°C higher than the 1991-2020 average, defying expectations that the La Niña weather phenomenon would bring cooler temperatures. In 2015, the international community agreed to limit global t…
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