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Montréal Weather and Climate: A Comprehensive Guide

The temperature in Montréal can vary greatly throughout the year. The temperatures shift from warm to cold. It receives a reasonable amount of rain/snowfall. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from comfortable to chilly in Montréal. Average daytime temperatures reach a comfortable 28°C in August. In January, the coolest month of the year, temperatures drop to a chilly 10°C.

At night, you can expect cooler temperatures, with averages dropping to around 3°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Montréal has a moderate amount of precipitation, averaging 926 mm of rain/snowfall annually. Montréal experiences moderate seasonal variation in rainfall, with monthly averages ranging from 96 mm in April, the wettest month, and 51 mm in July, the driest month.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Montréal can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.2 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 3.1 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Carcassonne, France (16 KM, 10 Miles).

Daily hours of sunshine

Data from: Carcassonne, France (16 KM, 10 Miles).

Forecast for Montréal

Sun   Dec 22
14°C | 6°C
NW 10 m/s
14 mm
broken clouds and rain

broken clouds and rain

Mon   Dec 23
8°C | 5°C
NW 9 m/s
2.9 mm
partly cloudy and  chance of slight rain

partly cloudy and chance of slight rain

Tue   Dec 24
10°C | 4°C
W 6 m/s
1.1 mm
broken clouds and  chance of rain

broken clouds and chance of rain

The best time of year to visit Montréal in France

During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Montréal?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Montréal?
    August has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Montréal?
    The coldest month is January with an average maximum temperature of 10°C.
  • Which is the wettest month in Montréal?
    April tops the wettest month list with 96 mm of rainfall.
  • Which is the driest month in Montréal?
    July is the driest month with 51 mm of precipitation.
  • Which is the sunniest month in Montréal?
    July is the sunniest month with an average of 277 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.