January weather forecast in Porto

January in Porto is the rainiest, the windiest, the cloudiest, and the coldest month of the year. In January, the weather in Porto is typically warm. Average daily high temperature in January is about 12 degrees above zero. On average, Porto has 15 rainy, 10 sunny, 4 partly cloudy, and 2 cloudy days in January. The rains are usually heavy. January as well as February is considered the most uncomfortable time to visit Porto.