Montréal weather by month › December
Montréal in December: weather and what to expect
Cold. Highs average 30°F (-1°C), so it suits a winter trip. For milder weather, go in June and September.
December weather in Montréal
Daytime high30°F -1°C
Night low17°F -8°C
Rain3.5 in 90 mm
AirDry
SunWeak sun
In December, Montréal averages highs of 30°F (-1°C) and lows of 17°F (-8°C), with 3.5 in (90 mm) of rain. The air feels dry and the sun is weak. 1991–2020 averages, not a forecast.
Pack: a heavy winter coat.
Places with the same weather in December
Match out of 100 for December, one city per country.
Jan · Feb · Mar · Apr · May · Jun · Jul · Aug · Sep · Oct · Nov · Dec