Bucharest: Annual Weather Averages. July is the hottest month in Bucharest with an average temperature of 22Â°C (71Â°F) and the coldest is January at -2Â°C (29Â°F) with the most daily sunshine hours at 10 in August. The wettest month is June with an average of 90mm of rain. Average Temperature: Bucharest.
Buttercream frosting does not need to be refrigerated if used within two to three days. However, it keeps for up to two weeks if stored in the refrigerator in an airtight container, and it lasts up to three months if stored in the freezer. Keep Learning.
Icing can be refrigerated in an airtight container for 2 weeks or frozen. Iced cake can be stored at cool side of room temperature for 2-3 days. Does not hold up well in warm weather, unless shortening is used. Jams and ganache are always great alternatives to buttercream fillings and hold-up well in warm weather.cing can be refrigerated in an airtight container for 2 weeks or frozen. Iced cake can be stored at cool side of room temperature for 2-3 days. Does not hold up well in warm weather, unless shortening is used. Jams and ganache are always great alternatives to buttercream fillings and hold-up well in warm weather.