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.
I leave my basic buttercream ( made with butter and powdered sugar with water) on the counter covered for days. I always have butter on the counter as well ( much more spreadable ) Many countries don't wash eggs and the protective coating remains. In North america we do and they should be kept in the fridge.