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.
1 Add more confectioners' sugar if frosting is too thin, more milk if frosting is too thick, or a pinch more of salt if frosting is way too sweet.  Spread frosting all over cooled cake, then top with sprinkles. Slice and serve. Cover leftovers tightly and store in the refrigerator for up to 5 days.