Climate and monthly weather forecast
Montreal, Canada

An extension of the St. Florence river with a far view of the city of Montreal, Canada
An extension of the St. Florence river with a far view of the city of Montreal, Canada

Weather in January

January, like December, is another subzero cold winter month in Montreal, Canada, with an average temperature ranging between max -5.8°C (21.6°F) and min -13.1°C (8.4°F). With an average high-temperature of -5.8°C (21.6°F) and an average low-temperature of -13.1°C (8.4°F), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Montreal, Canada, with an average temperature ranging between min -11.8°C (10.8°F) and max -4.1°C (24.6°F). In February, the average high-temperature is relatively the same as in January - a still freezing cold -4.1°C (24.6°F). Weather in February »

Weather in March

March, the first month of the spring in Montreal, is a cold month, with temperature in the range of an average low of -5.8°C (21.6°F) and an average high of 1.2°C (34.2°F). In Montreal, Canada, the average high-temperature in March increases from a freezing cold -4.1°C (24.6°F) in February to a cold 1.2°C (34.2°F). Weather in March »

Weather in April

April in Montreal, Canada, is a frosty spring month, with an average temperature fluctuating between 1.6°C (34.9°F) and 9.9°C (49.8°F). In April, the average high-temperature soars, from a wintry 1.2°C (34.2°F) in March, to a frosty 9.9°C (49.8°F). Weather in April »

Weather in May

May, the last month of the spring in Montreal, is a comfortable month, with temperature in the range of an average high of 18.4°C (65.1°F) and an average low of 8.7°C (47.7°F). In May, the average high-temperature increases considerably from a frosty 9.9°C (49.8°F) in April to an enjoyable 18.4°C (65.1°F). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Montreal, Canada, with an average temperature ranging between max 22.2°C (72°F) and min 12.8°C (55°F). In June, the average high-temperature slightly increases from an enjoyable 18.4°C (65.1°F) in May to an agreeable 22.2°C (72°F). Weather in June »

Weather in July

July is a warm summer month in Montreal, Canada, with an average temperature fluctuating between 16.3°C (61.3°F) and 25.8°C (78.4°F). July is the warmest month, with an average high-temperature of 25.8°C (78.4°F) and an average low-temperature of 16.3°C (61.3°F). Weather in July »

Weather in August

August, the last month of the summer in Montreal, is another warm month, with temperature in the range of an average low of 15.3°C (59.5°F) and an average high of 24.8°C (76.6°F). In Montreal, the average high-temperature in August is practically the same as in July - a still warm 24.8°C (76.6°F). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Montreal, Canada, with an average temperature fluctuating between 20.8°C (69.4°F) and 11.5°C (52.7°F). In Montreal, the average high-temperature in September marginally drops from a moderately hot 24.8°C (76.6°F) in August to an agreeable 20.8°C (69.4°F). Weather in September »

Weather in October

October, like September, in Montreal, Canada, is a cool autumn month, with an average temperature fluctuating between 12.8°C (55°F) and 6.1°C (43°F). In Montreal, the average high-temperature in October significantly decreases from a pleasant 20.8°C (69.4°F) in September to a cool 12.8°C (55°F). Weather in October »

Weather in November

November, the last month of the autumn in Montreal, is also a wintry month, with an average temperature fluctuating between -1°C (30.2°F) and 5.1°C (41.2°F). In November, the average high-temperature drops from a fresh 12.8°C (55°F) in October to a cold 5.1°C (41.2°F). Weather in November »

Weather in December

December, the first month of the winter in Montreal, is still a freezing cold month, with an average temperature ranging between min -7.6°C (18.3°F) and max -2.2°C (28°F). In December, the average high-temperature decreases from a cold 5.1°C (41.2°F) in November to a freezing cold -2.2°C (28°F). Weather in December »
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FAQ

What is the coldest month in Montreal?

With an average high-temperature of -5.8°C (21.6°F) and an average low-temperature of -13.1°C (8.4°F), January is the coldest month in Montreal, Canada.

What are the most humid months in Montreal?

The months with the highest humidity in Montreal, Canada, are January and February, with an average relative humidity of 90%.

How many days does it rain in Montreal?

Throughout the year, in Montreal, there are 154.5 rainfall days, and 864mm (34.02") of precipitation is accumulated.

When does it snow in Montreal?

Months with snowfall in Montreal, Canada, are January through May, October through December.

What is the snowiest month in Montreal?

January is the month with the most snowfall in Montreal, Canada. Snow falls for 18.3 days and accumulates 293mm (11.54") of snow.

How much does it snow in Montreal?

Throughout the year, there are 74.1 snowfall days, and 1120mm (44.09") of snow is accumulated.

When is the lowest UV index in Montreal?

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Montreal, Canada.

What is the month with the least sunshine in Montreal?

The month with the least sunshine in Montreal is February, with an average of 2.7h of sunshine.

When is Daylight Saving Time (DST) in Montreal?

On Sunday, 13. March 2022, at 2:00 am, Daylight Saving Time starts in Montreal, and the time zone changes from EST to EDT. Daylight Saving Time ends on Sunday, 06. November 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Montreal?

With an average relative humidity of 73%, May is the least humid month.

What is the rainiest month in Montreal?

The month with the most rainfall is May, when the rain falls for 17.8 days and typically aggregates up to 85mm (3.35") of precipitation.

When it does not snow in Montreal?

In Montreal, Canada, snow does not fall in June through September.

When are the longest days in Montreal?

June has the longest days of the year in Montreal, Canada, with an average of 15h and 37min of daylight.

What is the warmest month in Montreal?

With an average high-temperature of 25.8°C (78.4°F) and an average low-temperature of 16.3°C (61.3°F), July is the warmest month in Montreal.

What month has the most sunshine in Montreal?

With an average of 10h of sunshine, July has the most sunshine of the year in Montreal, Canada.

What is the month with the highest UV index in Montreal?

The month with the highest UV index is July, with an average maximum UV index of 6.

What is the driest month in Montreal?

September is the month with the least rainfall in Montreal, Canada. Rain falls for 12 days and accumulates 55mm (2.17") of precipitation.

What is the month with the shortest days in Montreal?

With an average of 8h and 47min of daylight, December has the shortest days of the year.

Average temperature
Montreal, Canada

Average temperature - Montreal, Canada

The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-5.8°C).

The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is January (-13.1°C).

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Average pressure
Montreal, Canada

Average pressure - Montreal, Canada

The month with the highest atmospheric pressure is November (1017.8mbar).
The month with the lowest atmospheric pressure is June (1012.4mbar).

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Average wind speed
Montreal, Canada

Average wind speed - Montreal, Canada

The windiest month (with the highest average wind speed) is April (14.3km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).

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Average humidity
Montreal, Canada

Average humidity - Montreal, Canada

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (73%).

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Average rainfall
Montreal, Canada

Average rainfall - Montreal, Canada

The wettest month (with the highest rainfall) is May (85mm).
The driest month (with the least rainfall) is September (55mm).

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Average rainfall days
Montreal, Canada

Average rainfall days - Montreal, Canada

The months with the highest number of rainy days are May and July (17.8 days).
The month with the least rainy days is January (5 days).

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Average snowfall
Montreal, Canada

Average snowfall - Montreal, Canada

The month with the highest snowfall is January (293mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days
Montreal, Canada

Average snowfall days - Montreal, Canada

The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Montreal, Canada

Average daylight / Average sunshine - Montreal, Canada

The month with the longest days is June (Average daylight: 15h and 37min).
The month with the shortest days is December (Average daylight: 8h and 47min).

The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is February (Average sunshine: 2.7h).

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Average sunshine days
Montreal, Canada

Average sunshine days - Montreal, Canada

The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is February (8.9 days).

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Average visibility
Montreal, Canada

Average visibility - Montreal, Canada

The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).

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