January in Bucharest is the snowiest, the cloudiest, and the coldest month of the year. In January, the weather in Bucharest is typically freezing. Average daily high temperature in January is about zero. On average, Bucharest has 16 cloudy, 6 snowy, 4 rainy, 4 sunny, and 1 partly cloudy day in January. The snowfalls are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Bucharest.