Montreal
Canada
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Montreal, Canada

An extension of the St. Florence river with a distant view of the city of Montreal, Canada, on a warm summer morning
An extension of the St. Florence river with a distant view of the city of Montreal, Canada, on a warm summer morning
January, like December, is a freezing cold winter month in Montreal, Canada, with average temperature fluctuating between -14°C (6.8°F) and -5.3°C (22.5°F). January is the coldest month, with an average high-temperature of -5.3°C (22.5°F) and an average low-temperature of -14°C (6.8°F). Weather in January »
The last month of the winter, February, is also a subzero cold month in Montreal, Canada, with average temperature ranging between min -12.2°C (10°F) and max -3.2°C (26.2°F). In Montreal, the average high-temperature in February is almost the same as in January - a still freezing cold -3.2°C (26.2°F). Weather in February »

March, the first month of the spring, in Montreal, is a wintry month, with average temperature ranging between max 2.5°C (36.5°F) and min -6.5°C (20.3°F). In March, the average high-temperature rises, from a subzero cold -3.2°C (26.2°F) in February, to a wintry 2.5°C (36.5°F). Weather in March »

April in Montreal, Canada, is a cool spring month, with average temperature fluctuating between 11.6°C (52.9°F) and 1.2°C (34.2°F). In Montreal, the average high-temperature increases considerably, from a cold 2.5°C (36.5°F) in March, to a fresh 11.6°C (52.9°F). Weather in April »

May, the last month of the spring, in Montreal, is a comfortable month, with average temperature fluctuating between 18.9°C (66°F) and 7.9°C (46.2°F). In Montreal, the average high-temperature increases, from a cool 11.6°C (52.9°F) in April, to an enjoyable 18.9°C (66°F). Weather in May »

June, the first month of the summer, in Montreal, is a warm month, with temperature in the range of an average high of 23.9°C (75°F) and an average low of 13.2°C (55.8°F). In June, the average high-temperature increases, from a comfortable 18.9°C (66°F) in May, to a moderately hot 23.9°C (75°F). Weather in June »

July, like June, in Montreal, Canada, is another warm summer month, with temperature in the range of an average high of 26.3°C (79.3°F) and an average low of 16.1°C (61°F). The warmest month is July, with an average high-temperature of 26.3°C (79.3°F) and an average low-temperature of 16.1°C (61°F). Weather in July »

The last month of the summer, August, is also a moderately hot month in Montreal, Canada, with average temperature ranging between min 14.8°C (58.6°F) and max 25.3°C (77.5°F). In Montreal, Canada, the average high-temperature is almost the same as in July - a still warm 25.3°C (77.5°F). Weather in August »

The first month of the autumn, September, is still a pleasant month in Montreal, Canada, with average temperature ranging between max 20.6°C (69.1°F) and min 10.3°C (50.5°F). In Montreal, the average high-temperature slightly decreases, from a moderately hot 25.3°C (77.5°F) in August, to a pleasant 20.6°C (69.1°F). Weather in September »

October, like September, is a moderate autumn month in Montreal, Canada, with temperature in the range of an average low of 3.9°C (39°F) and an average high of 13°C (55.4°F). In October, the average high-temperature decreases, from an agreeable 20.6°C (69.1°F) in September, to a mild 13°C (55.4°F). Weather in October »

November, the last month of the autumn, in Montreal, is also a wintry month, with average temperature varying between -1.7°C (28.9°F) and 5.9°C (42.6°F). In Montreal, the average high-temperature in November decreases, from a moderate 13°C (55.4°F) in October, to a wintry 5.9°C (42.6°F). Weather in November »

December, the first month of the winter, in Montreal, is still a freezing cold month, with average temperature varying between -9.3°C (15.3°F) and -1.4°C (29.5°F). In December, the average high-temperature decreases, from a wintry 5.9°C (42.6°F) in November, to a subzero cold -1.4°C (29.5°F). Weather in December »

What is the coldest month in Montreal?

The coldest month in Montreal, Canada, is January, with an average high-temperature of -5.3°C (22.5°F) and an average low-temperature of -14°C (6.8°F).

How many days does it rain in Montreal?

Throughout the year, in Montreal, there are 119.2 rainfall days, and 784.9mm (30.9") of precipitation is accumulated.

When does it snow in Montreal?

Months with snowfall are January through April, October through December.

How many days does it snow in Montreal?

In Montreal, during the entire year, snow falls for 58.9 days, and aggregates up to 2095mm (82.5") of snow.

When does it snow the most in Montreal?

January is the month with the most snowfall in Montreal, Canada. Snow falls for 15.3 days and accumulates 495mm (19.5") of snow.

When is the lowest UV index in Montreal?

Months with the lowest UV index in Montreal are January, November and December, with an average maximum UV index of 1.

What is the driest month in Montreal?

The month with the least rainfall in Montreal, Canada, is February when the rain falls for 4 days and typically collects 20.9mm (0.8") of precipitation.

When it does not snow in Montreal?

May through September are months without snowfall in Montreal.

When are the longest days in Montreal?

June has the longest days of the year in Montreal, Canada, with an average of 15.6h of daylight.

When is the highest UV index in Montreal?

Months with the highest UV index in Montreal are June through August, with an average maximum UV index of 7.

What is the warmest month in Montreal?

With an average high-temperature of 26.3°C (79.3°F) and an average low-temperature of 16.1°C (61°F), July is the warmest month in Montreal, Canada.

What month has the most sunshine in Montreal?

With an average of 8.8h of sunshine, July has the most sunshine of the year in Montreal.

What is the wettest month in Montreal?

August is the month with the most rainfall in Montreal. Rain falls for 11.6 days and accumulates 94.1mm (3.7") of precipitation.

What is the month with the shortest days in Montreal?

The month with the shortest days in Montreal is December, with an average of 8.8h of daylight.

What is the month with the least sunshine in Montreal?

With an average of 2.7h of sunshine, December has the least sunshine of the year.
Average temperature - Montreal, Canada
Average rainfall - Montreal, Canada

The wettest month (with the highest rainfall) is August (94.1mm).
The driest month (with the lowest rainfall) is February (20.9mm).

Average rainfall days - Montreal, Canada

The month with the highest number of rainy days is May (13.6 days).
The month with the lowest number of rainy days is February (4 days).

Average snowfall - Montreal, Canada

The month with the highest snowfall is January (495mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

Average snowfall days - Montreal, Canada

The month with the highest number of snowfall days is January (15.3 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Montreal, Canada
Average UV index - Montreal, Canada