February in Mostar is the cloudiest month of the year. In February, the weather in Mostar is typically cold. Average daily high temperature in February is about 4 degrees above zero. On average, Mostar has 14 rainy, 6 sunny, 5 cloudy, and 4 partly cloudy days in February. The rains are usually heavy. February as well as January, March, April, and November is considered the most uncomfortable time to visit Mostar.