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Montréal Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Montréal.
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Climate overview of Montréal
Temperatures in Montréal, France, vary greatly throughout the year. July is the hottest month at 29°C (84°F), while January is the coldest at 9°C (48°F).
The city receives considerable rain/snowfall, with around 1315 mm (52 in) annually. October is the wettest month. It has warm summers and cold winters. July is the sunniest month, averaging 10.8 hours of sunshine per day.
Montréal Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Montréal - and find the best time to visit.
Monthly Temperature in Montréal
The climate in Montréal is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 29°C (84°F) in July to a chilly 9°C (48°F) in the coolest month, January.
Nights vary from 16°C (61°F) in July to around 1°C (34°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Montréal
Montréal has a notably wet climate with abundant precipitation, recording 1315 mm (52 in) of rain/snowfall per year. The climate in Montréal shows significant variation throughout the year. Expect heavy rainfall in October, the wettest month, with an average of 189 mm (7.4 in) of precipitation over 11 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 57 mm (2.2 in) of rainfall over 7 rainy days. For more details, please visit our Montréal Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Montréal
For those who appreciate different seasons, Montréal serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.8 hours of sunshine daily, and embrace the darker days in December, offering only 3.0 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Montélimar, France (36 KM, 22 Miles).
Daily hours of sunshine
Data from: Montélimar, France (36 KM, 22 Miles).
Humidity in Montréal by Month
The relative humidity is high throughout the year in Montréal.
The city experiences its highest humidity in November, reaching 81%. In July, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Montélimar, France (36 KM, 22 Miles).
Best Time to Visit Montréal
For comfortable weather, consider visiting Montréal in June, July and August. Conditions are usually least favourable in January, February, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
wet
Feb
cold
Mar
good
Apr
mixed
May
very good
Jun
excellent
Jul
excellent
Aug
excellent
Sep
very good
Oct
mixed
Nov
wet
Dec
wet
- Best overall: June, July and August
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: July, August and September
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Montréal
What is the best time to visit Montréal?
June, July and August typically offer the most optimal weather in Montréal. In contrast, January, February, November and December tend to have less optimal conditions. Montréal has warm summers and cold winters.
What temperatures can I expect in Montréal?
Daytime highs range from 9°C (48°F) in January to 29°C (84°F) in July. Nighttime lows range from 1°C (34°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Montréal get?
Annual rainfall is around 1315 mm (52 in). October is the wettest month with 189 mm (7.4 in), while July is the driest with 57 mm (2.2 in).
How sunny is Montréal?
Montréal receives around 2,399 hours of sunshine per year. July is the sunniest month with 325 hours, while December is the cloudiest with just 90 hours. Overall, Montréal enjoys abundant sunshine.
Montréal 3-Day Forecast
Montréal on the map
Montréal is highlighted - select any city to see its climate.
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