Brampton's winters are cold and snowy, with temperatures often dropping below -20°C in January and February. Spring arrives slowly, with March bringing mild days but still chilly nights, while April marks a significant warming trend. Summers are warm to hot, with temperatures frequently reaching the mid-30s by June and July, but cooling off slightly in August. Autumn is generally mild, with September and October offering pleasant temperatures before the cold sets back in November and December, which bring winter's chill once more.