Thermograph

Weather in Montréal in May

In an average May, Montréal sees a daily high around 19°C and a low around 8°C, based on 1980–2026 of local climate records.

Average high19°C
Typical high range13°C to 26°C
Average low8°C
Typical low range3°C to 14°C
Average daily precipitation3 mm

May records

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

High

Highest 36°C 2020-05-27
Lowest 5°C 2020-05-09

Low

Highest 23°C 2020-05-28
Lowest -2°C 1994-05-03

Feels-like

Highest 47°C 2020-05-27
Lowest -7°C 1986-05-04

Humidity

Highest 17.2 g/m³ 2024-05-22
Lowest 2.3 g/m³ 2020-05-12

Wind

Highest 46 km/h 2018-05-05
Lowest 6 km/h 2022-05-25

Gust

Highest 97 km/h 2018-05-05
Lowest 14 km/h 2025-05-04

Precip

Wettest 203 mm 2011
Driest 24 mm 2021

See Montréal's live weather grade →

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

Compare Montréal with your city →

‹ April · Montréal climate overview · June ›