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Climate · Montreal

Montreal in October

Mild and damp, as the days shorten.

Typical weather, averaged over 30 years

October in Montreal is mild: highs near 62°F, lows near 46°F. Rain falls on about three days a week, and the days shorten by 1 hour 5 minutes from the first week to the last.October in Montreal is mild: highs near 17°C, lows near 8°C. Rain falls on about three days a week, and the days shorten by 1 hour 5 minutes from the first week to the last.

High
62°F17°Caverage
Low
46°F8°Caverage
Wet days
3a week · 40% of days
Daylight
10h 48mon average

Is October a good time to visit Montreal?

October sits outside Montreal's best months, which run in two parts: June, or August to September. Expect mild days and rain on about three days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How October sits in the year

week by week

Temperature

Highs near 62°F in October, against 27°F to 82°F through the year.Highs near 17°C in October, against -3°C to 28°C through the year.

Chance of a wet day

40% of days in October, against 34% to 45% through the year.

Cloud cover

52% cover in October, against 42% to 67% through the year.

Daylight

10h 48m in October, against 8h 46m to 15h 37m through the year.

Week by week, lightly smoothed, with October shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. September74°23°low 56°low 13°2 wet days a weekRain on about two days a week.
  2. October62°17°low 46°low 8°3 wet days a weekRain on about three days a week.
  3. November47°8°low 34°low 1°3 wet days a weekRain on about three days a week.

Where Montreal sits, in October

America/Toronto
this place
typical high in October 40°F4°C95°F35°C
Sunrise, mid-October
7:09 AMsets 6:11 PM
Above the sea
40 mlow-lying
Latitude
45.5°Nnorthern hemisphere
Nearest of ours
Mont-Tremblant104 km north-west

The land around Montreal, shaded by its typical high in October, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Canada in October

high · low · wet days
See October on the planning mapThe whole year in Montreal

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Montreal. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.