Verdict: Good month
Montréal Weather in October
October is mild-to-cool in Montréal, topping out near 15°C (59°F) — comfortable with a layer on. Expect showers on roughly 12 days of the month — rarely trip-ruining, worth planning around. Overall, October is a solid month to visit Montréal.
Average high
15°C / 59°F
Average low
7°C / 45°F
Rain days
~12
Precipitation
103 mm
What to pack for Montréal in October
- Layers — t-shirts under a light jacket or sweater
- Rain gear is non-negotiable — expect rain on roughly 12 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
October against the rest of the year
Warmest in Montréal: Jul (27°C / 81°F) · Coolest: Jan (-4°C / 25°F) · Wettest: Aug (~14 rain days)
-4°
-12°
Jan
-2°
-12°
Feb
4°
-5°
Mar
12°
1°
Apr
20°
9°
May
25°
15°
Jun
27°
18°
Jul
25°
17°
Aug
21°
13°
Sep
15°
7°
Oct
7°
0°
Nov
1°
-6°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)