Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Weather in Montréal in October

In an average October, Montréal sees a daily high around 13°C and a low around 6°C, based on 1980–2026 of local climate records.

Average high13°C
Typical high range8°C to 19°C
Average low6°C
Typical low range2°C to 11°C
Average daily precipitation3 mm

October records

The most extreme October on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total October accumulation.

High

Highest 28°C 2025-10-05
Lowest 2°C 2002-10-30

Low

Highest 18°C 2023-10-05
Lowest -4°C 2002-10-30

Feels-like

Highest 28°C 2023-10-04
Lowest -9°C 2002-10-30

Humidity

Highest 15.0 g/m³ 2014-10-16
Lowest 2.6 g/m³ 2020-10-30

Wind

Highest 41 km/h 1988-10-18
Lowest 6 km/h 2022-10-04

Gust

Highest 94 km/h 1995-10-21
Lowest 13 km/h 2022-10-28

Precip

Wettest 217 mm 2019
Driest 15 mm 1994

See Montréal's live weather grade →

Visiting Montréal in October? See how its comfort stacks up against where you live.

Compare Montréal with your city →

‹ September · Montréal climate overview · November ›