December in Yuba City averages a daily high of 13.4°C with nights around 3.4°C. Expect roughly 11.4 wet days totalling 102.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Yuba City is April–May.
Based on MARYSVILLE AIRPORT ASOS, CA US (6km), 1995–2024. 25 years of December data.