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Montreal weather

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EuropeanECMWF
53°
Overcast
Feels 50° · Wind 6 mph · Humidity 96%
AmericanNOAA GFS
52°
Overcast
Feels 52° · Wind 2 mph · Humidity 95%
GermanDWD ICON
54°
Overcast
Feels 53° · Wind 3 mph · Humidity 92%

Latest for Montreal: European (ECMWF): 53° Overcast · American (NOAA GFS): 52° Overcast · German (DWD ICON): 54° Overcast.

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, 1991-2020 averages

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°
6°
Cold
Feb
28°
5°
Cold
Mar
38°
17°
Cold
Apr
52°
30°
Cool
May
66°
44°
Mild
Jun
73°
55°
Warm
Jul
78°
60°
Warm
Aug
73°
60°
Warm
Wettest
Sep
70°
51°
Mild
Oct
58°
39°
Mild
Nov
42°
29°
Cool
Dec
29°
15°
Cold

Montreal compared with New York City

30-year averages: daytime highs month by month, rain and sunlight

Cooler through the year

−10°F

average daytime high: Montreal 53°F, New York City 63°F

Rain over a year

−4%

Montreal 48 in, New York City 50 in

Sunlight vs a clear sky

67% vs 72%

solar energy reaching the ground as a share of a cloudless day, averaged over the year (not sunshine hours)

MontrealNew York Cityaverage daytime high, °F, 1991-2020
January, New York City: 40°FJanuary, Montreal: 25°F (−15°F)February, New York City: 42°FFebruary, Montreal: 28°F (−14°F)March, New York City: 50°FMarch, Montreal: 38°F (−12°F)April, New York City: 62°FApril, Montreal: 52°F (−10°F)May, New York City: 71°FMay, Montreal: 66°F (−5°F)June, New York City: 80°FJune, Montreal: 73°F (−7°F)July, New York City: 85°FJuly, Montreal: 78°F (−7°F)August, New York City: 83°FAugust, Montreal: 73°F (−10°F)September, New York City: 76°FSeptember, Montreal: 70°F (−6°F)October, New York City: 65°FOctober, Montreal: 58°F (−7°F)November, New York City: 54°FNovember, Montreal: 42°F (−12°F)December, New York City: 44°FDecember, Montreal: 29°F (−15°F)

On 30-year averages Montreal runs 10°F cooler than New York City, with every month between −15°F and −5°F. Over a year it gets about the same rain as New York City.

Month by month in numbers
MonthMontrealNew York CityDifferenceSunlight, MontrealSunlight, New York City
January25°F40°F−15°F62%68%
February28°F42°F−14°F67%71%
March38°F50°F−12°F69%69%
April52°F62°F−10°F66%71%
May66°F71°F−5°F68%70%
June73°F80°F−7°F71%76%
July78°F85°F−7°F76%80%
August73°F83°F−10°F76%78%
September70°F76°F−6°F75%76%
October58°F65°F−7°F63%71%
November42°F54°F−12°F59%72%
December29°F44°F−15°F54%66%

Daytime highs and lows on this page are 1991-2020 averages. Montreal: no weather station within 30 km at a similar height, so lows are ERA5 point values for 2023-2024, corrected month by month by NASA POWER's difference between those two years and 1991-2020, and highs are the uncorrected ERA5 values, which tested closer to station normals; rain is the CHELSA 1981-2010 climatology on a 1 km grid. New York City: station normals from New York Central Park (WMO), rain included. Sunlight vs a clear sky is NASA POWER's long-term average of the solar energy reaching the ground as a share of a cloudless day; it compares cloudiness and is not a count of sunshine hours. New York City stands in for the US here; other cities have their own climate tables.

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 three open global models (ECMWF, GFS and ICON) and show you where they disagree, so you can judge the confidence yourself.
How much warmer is Montreal than New York City?
On 30-year averages (1991-2020) the daytime high in Montreal is about 10°F cooler than in New York City (53°F against 63°F), with the monthly gap between -15°F and -5°F.

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