Impact of the 2026 heatwave and drought on the harvests of Château Margaux and the Médoc vineyards
Château Margaux and the 2026 vintage, the hottest since 1893
Harvests advanced by a month, peak at 42.5°C, yields at their lowest since 1957: the vineyards of Château Margaux and the entire Médoc are facing an extraordinary summer in 2026, between concern and high hopes for quality.
Editorial journal · Carte des Châteaux ·
42.5°C at Mérignac station on 23 June 2026: an absolute record. In the rows of vines at Château Margaux, the Médoc’s premier grand cru classé, as across the entire Bordeaux wine region, the summer of 2026 dictated its pace to the harvest, which began nearly a month earlier than usual. A vintage that experts are already calling the hottest since 1893.
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