Weather in Montreal

Best time to visit

The best time to visit Montreal is the summer, when the nights can be sultry and the whole city seems to be partying (notably during Festival International de Jazz de Montréal). Temperatures average 22°C (72°F) but can exceed 30°C (86°F). Conversely, cold fronts bring crisp, windy weather in the early and later parts of summer. Cooler autumns are a great time to visit the forested Laurentians or hills of the eastern townships. Even the cold and snowy winters are enjoyable - the city authorities maintain more than 150 skating rinks in the region as daily averages drop to -10°C (14°F).

 

Night

Weather (night) Temp (min night) Rain (mm) Wind (mph) Humidity Pressure Visibility
Mon
Clear
Clear skies
1
8
°C
0mm
3
se
74%
1,020mb
Good
Tue
Partly Cloudy Night
Partly cloudy skies
1
8
°C
0.1mm
5
sse
59%
1,013mb
Good
Wed
Clear
Clear skies
1
7
°C
0.1mm
10
wsw
70%
1,011mb
Good
Thu
Clear
Clear skies
1
7
°C
0.1mm
11
sw
67%
1,012mb
Good
Fri
Cloudy
Cloudy skies
1
4
°C
0.2mm
12
wnw
69%
1,019mb
Good
Sat
Clear
Clear skies
1
4
°C
0.2mm
4
wsw
56%
1,026mb
Good
Sun
Partly Cloudy Night
Partly cloudy skies
1
4
°C
0.2mm
7
sw
66%
1,020mb
Good
Mon
Partly Cloudy Day
Partly cloudy skies
1
9
°C
0mm
4
ese
63%
1,015mb
Good
Tue
Sunny
Sunny skies
2
0
°C
0mm
26
wnw
47%
1,001mb
Good
Last updated at 04:06, Tuesday 27 August
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Last updated: We update the weather data for Montreal from our weather partner every four hours. The time the last update was received is detailed here.
Actual Forecast Location: We have 830+ weather locations on the worldtravelguide.net website. Where no exact location is available we have used the nearest appropriate forecast point.
Symbols indicate the predominant weather for the day in question, calculated based on a weighting of different types of weather. So if a day is forecast to be sunny with the possibility of a brief shower, then we will see a sunny or partly cloudy symbol rather than a rain cloud. For the purpose of this forecast, 'day' is the entire 24 our period 00:00 to 23:59
The maximum temperature is the highest temperature forecast between dawn and dusk, and the minimum temperature is the lowest temperature expected from dusk on the day in question to dawn the next day. The temperature is in °C, or Celsius.
Wind speed and direction are the conditions expected at midday. Wind direction is based on a 16 point compass. W, SW, SSW, etc. The wind direction states where the wind originates. Wind speed is listed in MPH or miles per hour.
Humidity levels indicates how much water vapour the air contains compared to the maximum it could contain at that temperature. As a general guide:
  • 0 to 30 is very low
  • 31 to 50 is low
  • 51 to 70 is moderate to low
  • 71 to 80 is moderate
  • 81 to 90 is moderate to high
  • 91 to 100 is high
Pressure is measured in millibars (mb)
Visibility based on whether the human eye can see the following distances:
  • Very poor - less than 1km
  • Poor - between 1km and 4km
  • Moderate - between 4km and 10km
  • Good - between 10km and 20km
  • Very good - between 20km and 40km
  • Excellent - more than 40km
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