Cold climate enhance acidity.
Early picked grapes can be sharply acidic, while long growing condition can enhance fruit.
Tannins and color are often low.
In medium climate areas the ideal grape types are those with a long growing season which can produce a fine sugar and acidity balance.
Slow growing grape types tends to have thick skin with high tannin and color.
Hot climate can produce a deep flavor without the bright fruit. The hotter the region the less acidity and brightness.
Hot climate tends to produce sweeter wines.
Overripe and oxidized fruit tends to color white wines towards golden shades of yellow, and red wines towards brown shades.
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