Yuba City's climate is mild with moderate temperatures throughout the year. Winters are cool, with temperatures ranging from around freezing to mid-40s Celsius in January and February, but gradually warming up to slightly above average highs by March. Spring brings a steady increase in temperature, reaching averages of 16C in April and May. Summer months see hot temperatures, often reaching over 45C in July, before slowly cooling down in the fall. Autumn returns to cooler temperatures, with winter-like conditions returning in December.