A moderate, continental climate but with cooling influences. Daytime summer temperatures can be high due to the mountains providing protection from cold north winds the moderating presence of Lake Garda to the south and heat building up on the valley floor during the growing season. large day/night temperature differences due to cold air descending from the mountains (Alps) at night. This enables grapes to retain acidity and prolongs the growing season, allowing flavours to intensify. Vineyards on higher and steeper slopes require working by hand, including harvesting.