As an expert sommelier and brewer, I can tell you that Champagne, like any other sparkling wine, should not be kept in the fridge for an extended period of time. While the fridge is a suitable place to store Champagne temporarily before serving, it is not ideal for long-term storage.
The reason for this is that the cold temperature in the fridge can actually have a negative effect on the quality and taste of the Champagne over time. The constant chill can cause the wine to lose its effervescence and its flavors may become muted. Additionally, the moisture in the fridge can lead to the degradation of the cork, potentially allowing air to enter the bottle and spoil the wine.
So, how long can Champagne be in the fridge unopened? Ideally, it should be kept in the fridge for no more than a few days before it is consumed. This will ensure that it stays chilled and ready to be enjoyed at its best.
If you happen to have a bottle of Champagne that has been in the fridge for more than a month, it's a good idea to take it out now. Extended periods of cold temperature can have a detrimental effect on the wine, and it's better to store it in a slightly warmer and more stable environment.
When it comes to long-term storage of Champagne, it is recommended to keep it in a cool, dark place with a consistent temperature. A wine cellar or a dedicated wine refrigerator are ideal options for preserving the quality of your Champagne. These environments provide the necessary conditions for the wine to age gracefully and maintain its unique characteristics.
While the fridge is a convenient place to chill your Champagne before serving, it is not suitable for long-term storage. To fully appreciate the flavors and effervescence of Champagne, it is best to consume it within a few days of refrigeration. For longer storage, opt for a cool and stable environment that will preserve the wine's quality and allow it to age properly.