Montreal weather in October
Montreal in October averages 8°C (47°F), 94 mm of rain and 4.3 hours of sun a day.
Of the twelve months in Montreal, October is the sixth warmest, the second wettest and the fourth dullest.
- Average temp
- 8°C (47°F)
4–13°C · 38–56°F
- Rainfall
- 94 mm
Showers likely
- Sunshine
- 4.3 h
hours per day
What is Montreal like in October?
Daytime
Days are cool.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Montreal in October?
A light rain jacket
About 94 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 4°C (38°F).
October compared with September and November
October in Montreal is 6.9°C cooler than September and about as wet as it, which averages 15°C (60°F).
October in Montreal is 6.8°C warmer than November and about as wet as it, which averages 2°C (35°F).
Daylight in Montreal in October
On 15 October the sun is up for 10 hours 56 minutes in Montreal, rising about 07:11 and setting about 18:07 local time.
October ends 1 hour 31 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 4 hours 44 minutes short of June, the longest-lit month here.
Where to stay in Montreal
Dates are a starting point for October.
Travel guides for Montreal
What to read before you book.
Montreal weather by month
TemperatureRainfall
How October compares with the rest of the year
October is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | -10°C / 14°F | 74 mm |
| February | -8°C / 18°F | 56 mm |
| March | -2°C / 28°F | 72 mm |
| April | 6°C / 42°F | 84 mm |
| May | 13°C / 56°F | 78 mm |
| June | 18°C / 65°F | 88 mm |
| July | 21°C / 70°F | 105 mm |
| August | 20°C / 68°F | 86 mm |
| September | 15°C / 60°F | 91 mm |
| October | 8°C / 47°F | 94 mm |
| November | 2°C / 35°F | 85 mm |
| December | -5°C / 23°F | 78 mm |
Check another month
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FAQs about Montreal in October
October climate averages for Montreal, 1991–2020.
Montreal averages 8°C (47°F) in October, ranging from about 4°C (38°F) at night to 13°C (56°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 94 mm falls across October, enough to need a light jacket but not enough to reshape a trip.
Yes. October averages 8°C (47°F) against 2°C (35°F) in November — 6.8°C warmer.
October is 6.9°C cooler than September, and about as wet.
Yes. October falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 4.3 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what October is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 10 hours 56 minutes of daylight in mid-October, against 15 hours 40 minutes in June and 8 hours 44 minutes in December.
On 15 October, sunrise is about 07:11 and sunset about 18:07 local time. Both shift across the month — the month ends 1 hour 31 minutes shorter than it starts.
