May in Yuba City is the windiest month of the year. In May, the weather in Yuba City is typically warm. Average daily high temperature in May is about 26 degrees above zero. On average, Yuba City has 22 sunny, 7 partly cloudy, and 2 rainy days in May. The rains are usually light. May as well as October is considered the most comfortable time to visit Yuba City.