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Montreal weather

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The weather map: all three models at once

European, American, German side by side around Montreal and nearby towns.Live rain radar →
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Hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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10-day forecast, out to 14 days

where the models agree, and where they split

Heading to Montreal? Montreal, Canada, sits at 45.5°N in a temperate climate zone. Before you lock in outdoor plans, compare how the three global models - European (ECMWF), American (GFS) and German (ICON) - forecast Montreal right now. Where they agree you can trust it; the days they split are exactly when a single weather app is least reliable. For a city break, the rain hours below tell you which days to plan indoors.

Best time to visit Montreal

The most comfortable time to visit Montreal is usually May, June, July and September, when daytime highs sit in the pleasant 60-78°F range and the heaviest August rain is behind you.

Montreal weather by month

what to expect in Montreal through the year

Here is Montreal's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to Montreal by season.

Jan
25°
13°
Cold
Feb
28°
11°
Cold
Mar
38°
23°
Cold
Apr
52°
33°
Cool
May
66°
46°
Mild
Jun
73°
56°
Warm
Jul
78°
63°
Warm
Aug
73°
59°
Warm
Wettest
Sep
70°
54°
Mild
Oct
58°
44°
Mild
Nov
42°
30°
Cool
Dec
29°
19°
Cold

Common questions

When is the best time to visit Montreal?
The most comfortable time to visit Montreal is usually May, June, July and September, when daytime highs sit in the pleasant 60-78°F range and the heaviest August rain is behind you.
Will it rain in Montreal during my trip?
Rain is where forecasts disagree most. Instead of trusting one app, the comparison above lines up the European, American and German models for Montreal - check your dates and look for the days they agree; those are the ones you can plan around.
Which forecast is most accurate for Montreal?
For destinations abroad we compare the three global models (ECMWF, GFS and ICON) that nearly every weather app quietly builds on. No single app tells you when they disagree - we do, so you can judge the confidence yourself.

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