Montreal's Climate
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. This page provides an hourly and 14-day forecast plus detailed metrics for humidity, wind, UV index and air quality (AQI).