The intense heat and drought have significantly accelerated vine development in 2026. In several French regions, the harvest is starting two to four weeks earlier than usual, forcing winegrowers to reorganize their teams in the middle of summer.
In the Aude region, the first Muscat grapes were harvested as early as July 15th, a record for earliness. In Burgundy, some plots in the Mâconnais region could be harvested as early as mid-August, while harvests are also expected to begin earlier in Champagne, the Rhône Valley, and Bordeaux.
Grapes that ripen faster
Heat accelerates sugar concentration in grapes, but it doesn't guarantee balanced ripening. When water stress becomes too severe, the berries can stop growing, dry out, or lose some of their acidity. Winegrowers must therefore monitor their plots daily to determine the ideal harvest time.
This early harvest also complicates the recruitment of seasonal workers, who are traditionally brought in from September onwards. Above all, it illustrates the lasting shift in the winegrowing calendar due to climate change. After a July 2026 marked by record heat and drought, summer harvests are now becoming a recurring reality in many French vineyards.
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