January in Sarajevo is the snowiest and the coldest month of the year. In January, the weather in Sarajevo is typically cold. Average daily high temperature in January is about 1 degree above zero. On average, Sarajevo has 11 rainy, 8 snowy, 6 cloudy, 5 sunny, and 1 partly cloudy day in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Sarajevo.