What is the main temperature requirement for aging wines in a cellar?

The main temperature requirement for aging wines in a cellar is a constant temperature. This consistency is crucial because fluctuations in temperature can negatively impact the aging process of the wine. A stable environment ensures that chemical reactions proceed at a predictable rate, allowing the wine to mature properly without the risk of spoilage or unwanted flavors developing.

While cool temperatures are generally beneficial for wine aging, the most important aspect is the constancy of that temperature rather than the specific degree. Maintaining a temperature around 55°F (13°C) is often recommended, but the key factor is avoiding significant variability.

High humidity is important to prevent corks from drying out, and exposure to light can lead to oxidation and degradation of the wine. However, neither high humidity nor light exposure addresses the primary concern regarding temperature stability, which is critical for preserving the integrity and quality of the wine as it ages.