January in Poreč is the cloudiest and the coldest month of the year. In January, the weather in Poreč is typically cold. Average daily high temperature in January is about 7 degrees above zero. On average, Poreč has 15 rainy, 8 sunny, 5 partly cloudy, and 3 cloudy days in January. The rains are usually heavy. January as well as February, November, and December is considered the most uncomfortable time to visit Poreč.