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Montreal has a humid continental climate with four distinct seasons and a dramatic temperature swing across the year. Winters are long, harsh and snowy, lasting from December to March with temperatures often -10 to -15°C, biting wind chills, and deep snow accumulation. By contrast, summers (June-August) are warm and at times muggy, reaching 25-30°C, while autumn dazzles with turning foliage.
Very cold. From December to March temperatures are typically -10 to -15°C, with wind chills pushing below -25°C during cold snaps, plus major snowstorms.
Yes. The city averages over 2 metres of snow each winter, enough to sustain a large-scale snow-clearing operation for months on end.
Summers are warm and sometimes humid, hitting 25-30°C in July, with occasional heatwaves where high humidity makes it feel sultry.
Late spring through early autumn (May to October) is most comfortable, and September-October stands out for crisp air and brilliant fall colours.
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