January in Valencia is the coldest month of the year. In January, the weather in Valencia is typically warm. Average daily high temperature in January is about 26 degrees above zero. On average, Valencia has 20 rainy, 6 partly cloudy, 4 cloudy, and 1 sunny day in January. The rains are usually moderate. January as well as March, April, May, and June is considered the most uncomfortable time to visit Valencia.