What's happened
Europe has recorded its hottest year on record in 2025, with widespread heatwaves, wildfires, drought and melting glaciers. The WMO and EU scientists warn the trend is linked to human-caused warming and El Niño, underscoring an urgent push to accelerate decarbonisation and adaptation across the continent.
What's behind the headline?
What the data implies
- Europe has been identified as a region experiencing rapid warming, with 2025 marking record heat and persistent ocean warmth across the European basin. This compounds wildfire risk and drought pressure.
- The report highlights that even as renewables rise, the pace of emissions cuts must accelerate to bend the trend, given ongoing warming and sea-ice loss in peripheral regions.
- Glacial melt across Iceland and other nations continues to contribute to sea-level rise, while biodiversity in the Mediterranean seas faces heightened stress from heatwaves.
Who benefits from the timing of this update
- Climate researchers gain clearer baselines for model refinement; policymakers receive evidence to justify faster transitions away from fossil fuels and toward climate resilience.
- Communities in southern and eastern Europe are urged to prepare for more frequent and intense heatwaves, which will affect energy, health, and water management planning.
What readers should do
- Review local heat-health plans and cooling-center access; prepare home cooling and water-use strategies.
- Pressure local and national governments to accelerate renewable deployment, grid upgrades, and resilient infrastructure.
- Stay informed on El Niño developments and their potential to amplify or modify regional impacts.
How we got here
The 2025 climate year has seen extreme heat across Europe, with record-high temperatures, marine heatwaves and significant glacial mass loss. Agencies including WMO and ECMWF, in collaboration with Copernicus, have documented droughts, 1 million hectares of wildfires, and the Arctic/sub-Arctic zones experiencing unprecedented heat. Renewable energy has provided a growing share of electricity, but momentum for fossil-fuel reductions remains insufficient.
Our analysis
Al Jazeera reports that 2025 saw widespread above-average temperatures and large-scale wildfires across Europe, with marine heatwaves and Arctic-facing heat observed by ECMWF. France 24 notes the Copernicus/ECMWF findings and highlights renewables supplying 46.4% of electricity in 2025, alongside record sea-surface temperatures. Politico summarizes the WMO and EU scientists’ assessment of record heat, drought, and glacier retreat. The Guardian adds detail on Nordic heatwaves and 21 days above 30°C in Fennoscandia, noting rapid warming and significant snow cover decline. The NY Post discusses El Niño risks and potential super El Niño developments, projecting atmospheric and regional disruptions.
Go deeper
- How is your city preparing for more frequent heatwaves in 2025 and beyond?
- Which sectors are most exposed to shifting climate risks in your area?
- Are there local measures you can take to reduce energy consumption during peak heat periods?
More on these topics
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World Meteorological Organization - Intergovernmental organization
The World Meteorological Organization is an intergovernmental organization with a membership of 193 Member States and Territories. The President of the World Meteorological Congress, its supreme body, is Gerhard Adrian as a successor of David Grimes. The
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El Niño
El Niño is the warm phase of the El Niño–Southern Oscillation and is associated with a band of warm ocean water that develops in the central and east-central equatorial Pacific, including the area off the Pacific coast of South America.
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European Centre for Medium-Range Weather Forecasts - Intergovernmental
The European Centre for Medium-Range Weather Forecasts is an independent intergovernmental organisation supported by most of the nations of Europe and is based at Shinfield Park, Reading, United Kingdom, and Bologna, Italy, and Bonn, Germany.