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.
Best Answer: Buttercream made with milk can sit out for three days at room temp. Buttercream made with heavy cream needs to be refrigerated. With no air conditioning, you'll need to put the cake in the fridge. The air conditioner doesn't just cool down the air, it also removes humidity from the air. Too much humidity will make your buttercream sag or fall off the cake.