October 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

What is the temperature in October in Montreal?

In October, in Montreal, Canada, the average high-temperature is 13°C (55.4°F), and the average low-temperature is 3.9°C (39°F).

How many days does it rain in October in Montreal?

In October, the rain falls for 13 days. Throughout October, 89.1mm (3.5") of precipitation is accumulated.

When does it start snowing in Montreal?

October is the first month it typically snows in Montreal, Canada. Throughout October, in the average 0.7 snowfall days, it receives 18mm (0.7") of snow.

What is the average UV index in October in Montreal?

In October, the average UV index in Montreal is 3.
Average temperature in October - Montreal, Canada
  • Average high temperature in October: 13°C

The warmest month (with the highest average high temperature) is July (26.3°C).
The month with the lowest average high temperature is January (-5.3°C).

  • Average low temperature in October: 3.9°C

The month with the highest average low temperature is July (16.1°C).
The coldest month (with the lowest average low temperature) is January (-14°C).

Average rainfall in October - Montreal, Canada
  • Average rainfall in October: 89.1mm

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 in October - Montreal, Canada
  • Average rainfall days in October: 13 days

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 in October - Montreal, Canada
  • Average snowfall in October: 18mm

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 in October - Montreal, Canada
  • Average snowfall days in October: 0.7 days

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 in October / Average sunshine in October - Montreal, Canada
  • Average daylight in October: 10.9h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).

  • Average sunshine in October: 4.6h

The month with most sunshine is July (Average sunshine: 8.8h).
The month with least sunshine is December (Average sunshine: 2.7h).

Average UV index in October - Montreal, Canada
  • Average UV index in October: 3

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, November and December (UV index 1).

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