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2026-08-16 01:57 UTC → 2026-08-17 21:43 UTC ·
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Heatwaves accelerate European wine harvests advance due to warm weather
In early August By mid-August 2026, extreme heatwaves and rising temperatures continued to accelerate grape harvests across major European wine-producing regions. In Portugal, the Alentejo wine Douro region reported harvests beginning in Portugal projected August, with some areas seeing a 10% to 20% increase in its harvest, citing a cold, wet winter that left ample soil moisture. The Regional Viticultural Commission of production due to heat-accelerated ripening. In warmer regions like Alentejo (CVRA) expects a harvest of 108 million litres, up from 87 million litres in 2025. Simultaneously, Spain’s Penedès area saw its sparkling-wine association, Corpinnat, begin harvesting on 29 July—the earliest start since its inception—driven by warm temperatures and a lack of recent rain. Tejo, harvesting had already commenced in late July. In Portugal’s Douro Valley, grape picking began one to two weeks ahead of schedule. The Association of Professional Viticulturists of France, the Douro (Prodouro) expects a 25% rise in wine output due to an Bordeaux region is experiencing record-breaking early vegetative cycle and sufficient soil moisture. In France’s Gard department, harvests also commenced early due to high summer temperatures, forcing growers to work into for white varieties. At Château Latour-Martillac, the evenings and nights, which has increased agricultural traffic harvest began on rural roads. By mid-August, the trend of early harvesting intensified across Portugal. In Monção and Melgaço, the Adega Cooperativa Regional de Monção expects to receive grapes by 21 11 August, nearly a month earlier than marking the typical September start. In hotter regions like Tejo and Alentejo, harvesting began as early as July. Frederico Falcão, president of ViniPortugal, noted that rising temperatures and frequent earliest date on record for the property. Meanwhile, in Spain’s Rías Baixas region, heatwaves are accelerating maturation. Enologist Luís Leão noted that while no significant production drop is expected compared have forced wineries to 2025, climate change is causing structural shifts through prolonged droughts and extreme heatwaves. He emphasized that rising costs adjust schedules; some have started early, while others are waiting for water, energy, rainfall to balance acidity and labor may necessitate price increases, while the rapid rise in tourism may also impact the sector’s economic balance. hydration. To adapt, producers combat these shifts, viticulturists are utilizing precision management, such as protecting clusters with foliage employing technological changes, different canopy management practices, and improving water efficiency, while experts suggest a future shift toward the potential transition to more heat-resistant indigenous grape varieties. ViniPortugal has noted that climate change necessitates more rigorous vineyard monitoring and more efficient water management.