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.
Whipped Cream Storage. Since whipped cream frosting is made from heavy whipping cream it requires refrigeration. Once whipped you can store the unused whipped cream in the refrigerator for up to two days. If placed on a cake or used as a cake filling, the cake must be refrigerated whole and eaten within two days. Buttercream.