Is Montréal hot in August?
Days are typically warm at 25.4°C, while nights average 16.7°C.
Canada · 1991–2020 normal
Montréal in
August.
Typical August weather in Montréal: 25.4°C by day, 16.7°C at night, 109 mm of rain over 10 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high25.4°C
Typical low16.7°C
Rain109 mm
Wet days10
In the year-round weather comparison, August scores 76 out of 100 (June leads the year at 81). Daylight is calculated as 14 h 07 from latitude 45.51°.
August at a glance
What is Montréal like in August?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 109 mm across about 10 wet days.
How much daylight is there?
There are about 14 h 07 between sunrise and sunset at mid-month, calculated from the place latitude.
Is August a good time to visit?
August ranks 2 of 12 in our weather comparison; June ranks first.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 6077243
- NOAA station
- CA007024745 · MCTAVISH
- Station distance
- 1 km from the place centre
- Coverage
- Strong coverage · 25 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Montréal is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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