Marysville experiences mild winters, with temperatures rarely dropping below freezing and averaging around 4-7°C. Spring arrives in late March, bringing warmer temperatures that gradually rise to averages of 11-13°C by May. Summer months from June to August are warm, with highs often reaching up to 42°C, but average temperatures remain relatively stable between 19-20°C. Autumn is characterized by a return to milder temperatures, with September averaging around 16°C before dropping to around 9-11°C in October and November. Winters, from December to February, are the coolest period, with temperatures averaging around 4-7°C.