What’s the perfect temperature for a cup of tea? Coffee? A glass of white wine? There is guide provided by GB Energy Supply that tells you the optimal temperature that allows you to get the tastiest coffee, tea, wine, beer, and other beverages. Black tea should be brewed with water at 100 degrees Celsius, while ports and red wines should be stored in areas at 15-18 degrees Celsius. For a full list of ideal beverage temperatures, click here:: The perfect temperature to make your favourite drinks revealed