Apr 30, 2026

Europe’s 2025 Climate Crisis: Record Heat, Melting Ice, and Rising Seas

According to the latest European State of the Climate report from Copernicus, rising temperatures affected nearly every part of Europe in 2025, with at least 95 percent of the continent recording above-average temperatures.

Europe maintained its position as the fastest-warming continent globally, encountering fresh extremes in 2025—including 30°C heat within the Arctic Circle and 50 additional heat stress days across southern and eastern Spain, where perceived temperatures reached 32°C or higher. Turkiye recorded 50°C for the first time, while 85 percent of Greece experienced temperatures near or exceeding 40°C, with a peak of 44°C. Sub-Arctic Fennoscandia, which includes northern Norway, Sweden, and Finland, experienced its longest and most severe heatwave on record in July, with temperatures spiking at 34.9°C. The United Kingdom, Norway, and Iceland each recorded their hottest year on record.

The report, compiled by the World Meteorological Organization and the European Centre for Medium-Range Weather Forecasts, part of the EU’s Copernicus Earth observation programme, indicated that the area of Europe experiencing winter days with freezing temperatures is contracting and was below average in 2025. Glaciers continue to melt at an alarming rate, extending a decades-long pattern of ice loss across Europe; Iceland recorded its second largest ice loss on record. Snow cover at the end of March was 1.32 million square kilometres below average, roughly equivalent to the combined area of Austria, France, Germany, Italy, and Switzerland.

The Greenland Ice Sheet lost 139 gigatonnes of ice in 2025, equivalent to about 1.5 times the ice stored in all glaciers of the European Alps, or enough to fill more than 55 million Olympic-sized swimming pools. As the largest ice mass in the Northern Hemisphere, the Greenland Ice Sheet covers approximately 80 percent of Greenland and contains enough water to raise global sea levels by more than seven metres; it contributes about 20 percent of current global sea-level rise.

Europe is warming more than twice as fast as the global average, with temperatures rising by around 2.5°C compared to pre-industrial levels. Parts of Europe extend into the Arctic, the fastest-warming region on Earth, where temperatures are increasing at three to four times the global rate. As snow and ice melt, less sunlight is reflected by the Earth’s surface, while darker exposed surfaces absorb more heat, amplifying the melting in a process called albedo feedback. This is one of several interconnected processes and feedback loops contributing to Arctic amplification, which also affects snowy regions such as the Alps.

Emissions controls have enabled Europe to reduce air pollution, yielding broad benefits for human health and the environment, but have also diminished low-level clouds produced by aerosols, which previously served as a cooling barrier. More frequent and intense summer heatwaves in Europe—including the second worst on record in 2025—are also driven by shifts in atmospheric circulation linked to Arctic warming. In 2025, wildfires destroyed over one million hectares of land, the largest area on record. Drought conditions affected more than half the continent, leaving 70 percent of Europe’s rivers with below-average annual flow and threatening water security. Marine heatwaves were widespread, affecting 86 percent of Europe’s oceans, with the Mediterranean and Norwegian seas experiencing the most severe conditions; sea surface temperatures reached new highs, further disrupting marine ecosystems.

Samantha Burgess, Strategic Lead for Climate at the European Centre for Medium-Range Weather Forecasts, stated that the pace of climate change demands more urgent action, noting that rising temperatures, widespread wildfires, and drought provide unequivocal evidence that climate change is not a future threat but a present reality. Recognizing the inextricable link between climate change and biodiversity, the European Biodiversity Strategy 2030 aims to protect and restore the EU’s natural habitats; by the end of 2025, roughly half of the strategy’s recommended actions were either in place or completed, with many more underway.

Despite the grim picture painted by climate extremes, there is reason for cautious optimism. Europe’s renewable energy sector is rising to the challenge: in 2025, renewables supplied nearly half of Europe’s electricity at 46.4 percent, with solar power setting a new record by contributing 12.5 percent of the total. This progress is critical for Europe’s transition to a low-carbon economy, reducing dependency on fossil fuels and cutting greenhouse gas emissions. Mauro Facchini, Head of the Copernicus Unit at the European Commission, said that maintaining state-of-the-art, reliable data records of the Earth system is vital for informed policy decisions in a rapidly changing climate, helping preserve sovereignty, environment, food systems, safety, and economy. Florian Pappenberger, Director-General of the European Centre for Medium-Range Weather Forecasts, added that the report offers clear, actionable insights to support policy decisions and help the public better understand the changing climate.