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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Scene Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
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Montreal experiences four distinct seasons, with warm, humid summers and cold, snowy winters. The best times for comfortable sightseeing are late spring (May–June) and early autumn (September–October), though the city’s festivals and winter charm draw visitors year-round. Check the live forecast above for current conditions.
What is the best time to visit Montreal?
For mild weather and fewer crowds, aim for May–June (lilacs and terrace season) or September–October (fall colours, comfortable walking). July and August can be hot and humid, with occasional heat waves, but they also host major festivals. Winter (December–March) is cold – expect highs around –5°C to –10°C – but the city’s indoor attractions and outdoor rinks make it a viable snowbird alternative if you pack properly.
What to pack for Montreal weather?
Layers are key. In summer, bring light clothing, a rain jacket, and good walking shoes. For winter, a heavy parka, insulated boots, hat, gloves, and scarf are essential. Spring and fall require a mix of sweaters, a waterproof shell, and a warm mid-layer. Checking the Canada Scene weather hub for montreal weather hourly updates helps you adjust your bag before departure.
Does Montreal get very cold in winter?
Yes, January temperatures often drop below –15°C at night, with daytime highs around –6°C. Wind chill can make it feel colder. If you’re checking montreal weather tomorrow or a montreal weather 14 days outlook, expect snow and icy conditions from December to March.
Is Montreal humid in summer?
Very. July and August can feel muggy, with dew points in the high teens. Humidity makes 30°C days feel like 35°C or more. For montreal weather in fahrenheit, summer highs often reach 80–85°F, but the humidex can push the felt temperature higher.
How reliable are long-range forecasts for Montreal?
Forecasts beyond 7–10 days are general trends, not precise. For trip planning, a montreal weather 15 days outlook gives a sense of seasonal patterns, but confirm with official sources a few days before you leave. A montreal weather 30 days projection is only useful for broad climate expectations.
Sources
For conditions in other Canadian cities, see Toronto Weather and Ottawa Weather. Stay informed with weather warnings before heading out.