January in Ploieşti is the snowiest and the coldest month of the year. In January, the weather in Ploieşti is typically cold. Average daily high temperature in January is about 2 degrees above zero. On average, Ploieşti has 10 sunny, 8 cloudy, 8 partly cloudy, 3 snowy, and 2 rainy days in January. The snowfalls are usually moderate. January as well as February, March, April, and November is considered the most uncomfortable time to visit Ploieşti.