Record heatwaves in France set to make champagne stronger
Summary
France’s Champagne region is allowing winemakers to raise the alcohol level in champagne temporarily to up to 15% because a record heatwave this summer caused grapes to have more sugar than usual. This higher sugar leads to more alcohol during fermentation, and such hot weather patterns could become normal in the next 10 to 15 years due to climate change.Key Facts
- Champagne producers can temporarily increase alcohol content to 15%, above the usual 13% limit, for wines from the 2026 harvest.
- The heatwave caused grapes to have more sugar, which yeast turns into alcohol during fermentation.
- The 2026 harvest was the earliest ever in Champagne, starting in early August.
- The growing season included severe spring frosts and five heatwaves over summer.
- Experts say this kind of hot weather may become common in 10 to 15 years.
- The 2026 champagne vintage will not be sold until 2028 since it must age for at least 15 months.
- Europe is warming faster than the rest of the world, with climate change causing more frequent heatwaves.
- France experienced wildfires and extreme weather this year because of the high temperatures.
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