January in Viladecans is the coldest month of the year. In January, the weather in Viladecans is typically warm. Average daily high temperature in January is about 11 degrees above zero. On average, Viladecans has 18 sunny, 11 partly cloudy, and 2 rainy days in January. The rains are usually light. January as well as February, March, and December is considered the most uncomfortable time to visit Viladecans.