Erie's winters are harsh, with temperatures often dropping below freezing and averaging around -1°C in January. March marks a transition period as temperatures slowly rise, eventually reaching an average of 6°C by the end of the month. Spring arrives in April, bringing warmer temperatures that can soar up to 29°C on occasion, and summer is warm but not sweltering, with highs rarely exceeding 33°C from June to August. Autumn is mild, with September averaging around 18°C before cooling down in November. The coldest months are December and January, while the warmest months are July and August.