January in Târgu Jiu is the snowiest and the coldest month of the year. In January, the weather in Târgu Jiu is typically cold. Average daily high temperature in January is about 1 degree above zero. On average, Târgu Jiu has 14 partly cloudy, 10 sunny, 3 rainy, 3 cloudy, and 1 snowy day in January. The rains are usually light. January as well as February, March, May, and November is considered the most uncomfortable time to visit Târgu Jiu.