Montreal Weather in December
In December, Montreal averages a high of -2°C (29°F) and a low of -8°C (17°F), based on 52 years of historical weather data from MONTREAL MCGILL.
-2°C
Average high
29°F
-8°C
Average low
17°F
17°C
Record high
63°F · 2001
-31°C
Record low
-23°F · 1980
What to Expect in Montreal in December
Typical December days in Montreal reach -2°C (29°F) during the afternoon and cool to around -8°C (17°F) overnight. On average, measurable rain falls on about 53% of days this month. Over the past 52 years, December temperatures in Montreal have ranged from a record high of 17°C (2001) down to a record low of -31°C (1980).
For a day-by-day look or other months, see the full Montreal weather history.