Winters in Appleton are harsh, with temperatures often dropping below -20°C and averaging around -5°C in January. The cold snap persists into February, with lows reaching as low as -27°C. As the months progress, March brings a slight warming trend, with temperatures rising to an average of 4°C. Spring arrives in April, with a noticeable increase in temperature, ranging from -7°C to 28°C on average. Summer is mild and pleasant, with June and July temperatures averaging around 21°C, while autumn sees a gradual cooling down, with September's average temperature still relatively warm at 17°C.