All wines mature at the same temperature, which is a constant temperature set between 12°C to 14°C.  Only the temperature of "degustation" (wine appreciation) varies according to the type of wines.  This being said and as it is for natural cellars used by wine producers for long period of storage, it is not the exact temperature that is important, but its consistency.  In other words, as long as the temperature of your wine cellar is constant (between 12°C and 14°C) your wines will be stored in perfect conditions.

Not all wines will improve over the years.  Some should be consumed at an early stage (2 to 3 years) while others have tremendous aging capability (50 and over).  All wines have a peak in maturity.  Do check with your wine merchant to get the relevant information.