To Serve Riesling
As a rule of thumb, the sweeter the wine, the higher the serving temperature. However, dessert-style Rieslings that have been concentrated through the effect of Botrytis are often not improved by being overly chilled because cold temperatures tighten-up volatile aromas. Standard refrigerators are usually set around 38°F (3°C)—keep that in mind for the best serving temperatures:
In fact, the town hall of Bremen, Germany, stores various German wines, including Riesling wines, in barrel back to the 1653 vintage.