Montreal Weather in October
In October, Montreal averages a high of 13°C (55°F) and a low of 6°C (43°F), based on 52 years of historical weather data from MONTREAL MCGILL.
13°C
Average high
55°F
6°C
Average low
43°F
30°C
Record high
86°F · 2023
-5°C
Record low
23°F · 1976
What to Expect in Montreal in October
Typical October days in Montreal reach 13°C (55°F) during the afternoon and cool to around 6°C (43°F) overnight. On average, measurable rain falls on about 42% of days this month. Over the past 52 years, October temperatures in Montreal have ranged from a record high of 30°C (2023) down to a record low of -5°C (1976).
For a day-by-day look or other months, see the full Montreal weather history.