Whisky is not typically kept in the refrigerator for a few reasons:
Flavor and Aroma: Whisky is a complex spirit with a wide range of flavors and aromas that develop over time. When you chill whisky by keeping it in the refrigerator, the cold temperature can suppress some of these flavors and aromas, making the whisky taste dull or muted. To fully appreciate the nuances of the whisky, it is best enjoyed at room temperature or with a small amount of water or ice to slightly lower the temperature if desired.
Dilution: When whisky is chilled in the refrigerator, it can cause condensation to form on the bottle and inside the whisky itself. If the bottle is not tightly sealed, this can lead to the dilution of the whisky as water vapor is absorbed into the liquid. Dilution can alter the taste and affect the overall drinking experience.
Texture and Mouthfeel: Cold temperatures can also affect the texture and mouthfeel of whisky. Whisky's viscosity and body can change when it's chilled, potentially making it feel thinner or less enjoyable on the palate.
Preservation: Whisky is a high-proof alcoholic beverage, and it doesn't require refrigeration for preservation. As long as the whisky is stored in a cool, dark place away from direct sunlight and extreme temperature fluctuations, it should remain stable and maintain its quality for an extended period.
However, there are some exceptions and instances when you might choose to chill whisky:
Whisky cocktails: Some cocktails, like the Old Fashioned or Manhattan, may benefit from a slight chill, and in those cases, chilling the whisky before mixing can be appropriate.
Hot climates: In extremely hot climates, people might enjoy whisky with a few cubes of ice to keep it slightly chilled while still allowing the flavors to shine through.
In general, whisky enthusiasts prefer to drink whisky at room temperature or slightly chilled (using whisky stones or a single cube of ice) to fully appreciate its complexity and character. If you want to experience the full range of flavors and aromas that whisky has to offer, it's best to store and serve it at room temperature.