WSET Level 3 Wine Practice Exam 2025 – Complete Study Guide

The enhancement of grape quality in Greek vineyards is significantly influenced by altitude and proximity to the sea. Altitude plays a crucial role as vineyards situated at higher elevations typically experience cooler temperatures, which can help preserve acidity in the grapes while allowing for a longer ripening period. This extended ripening phase can lead to better flavor development and complexity in the grapes.

Proximity to the sea can moderate temperatures, reducing the extremes of heat and cold that can stress vines. Additionally, sea breezes can provide cooling effects during hot summer months, which helps to protect the grapes from excessive heat and can enhance the overall growing conditions. These factors together create an optimal environment for producing high-quality grapes, resulting in wines that reflect the unique terroir of the region.

Low humidity can help reduce disease pressure in the vineyard, but it does not enhance grape quality on its own in the same way that altitude and sea proximity do. Urban heat islands generally raise night temperatures, which can hinder the diurnal temperature swings essential for grape quality. Consistent rainy weather typically poses challenges for grape growing as it may lead to issues like rot and disease, adversely affecting grape quality. Hence, altitude and proximity to the sea stand out as pivotal climatic factors that positively influence grape quality in Greek vineyards.