January in Vila Nova de Gaia is the coldest month of the year. In January, the weather in Vila Nova de Gaia is typically warm. Average daily high temperature in January is about 13 degrees above zero. On average, Vila Nova de Gaia has 13 rainy, 9 sunny, 8 partly cloudy, and 1 cloudy day in January. The rains are usually heavy. January as well as February, March, April, and October is considered the most uncomfortable time to visit Vila Nova de Gaia.