January in Gandía is the coldest month of the year. In January, the weather in Gandía is typically warm. Average daily high temperature in January is about 15 degrees above zero. On average, Gandía has 17 sunny, 6 rainy, 6 partly cloudy, and 2 cloudy days in January. The rains are usually light. January as well as February, March, September, and November is considered the most uncomfortable time to visit Gandía.