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Climate · Atlas Framework

Climate and Wine Style

Climate decides how ripe the grapes get. Ripeness decides almost everything you taste.

How warm is the climate?

Wine regions are graded from cool to warm by growing season temperature. Choose a lens and watch the three respond.

CoolerTemperatureWarmer
The one chain behind all of it
Warmer climate Riper grapes More sugar, less acid Fuller, riper, higher in alcohol
A cooler climate runs the same chain in reverse, toward lighter, fresher, higher-acid wines.
What shifts one site warmer or cooler

Two regions at the same latitude can differ widely. A handful of factors nudge any vineyard off its baseline.

Latitude
Closer to the equator means more sun and heat.
Altitude
Higher ground is cooler, with wider day to night swings.
Water
Seas, lakes, and rivers soften both heat and cold.
Aspect and sun
A slope's steepness and direction set how much sun the vines catch.
Diurnal range
Warm days with cool nights ripen the fruit while keeping its acidity. This is why some warm, high-altitude regions still taste fresh.
The three climate types

Climate type is a separate idea from warmth: it is the rainfall pattern and how much the temperature swings across the year. A region has both. Bordeaux is moderate and maritime; Barossa is warm and Mediterranean. Choose one to see its signature.

Check your understanding
Each clue points to one end of the spectrum. Cool, or warm? Five per round, twenty in all.
Question 1 of 5

Note. Climate is the long-term average; a single year is its weather, which is why vintages differ. At the warm extreme, hot climates can give cooked or dried-fruit flavors and very low acidity, and often need irrigation. Growers and winemakers can also adjust, for example by picking earlier or adding acidity in warm regions. These are tendencies, not rules: site, grape variety, and winemaking all shape the final glass.

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