Weather in Montréal in December
In an average December, Montréal sees a daily high around -2°C and a low around -9°C, based on 1980–2026 of local climate records.
| Average high | -2°C |
|---|---|
| Typical high range | -10°C to 5°C |
| Average low | -9°C |
| Typical low range | -20°C to 0°C |
| Average daily precipitation | 3 mm |
December records
The most extreme December on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total December accumulation.
High
Highest
16°C
1982-12-04
Lowest
-25°C
1993-12-27
Low
Highest
10°C
2001-12-06
Lowest
-33°C
1989-12-30
Feels-like
Highest
10°C
2001-12-06
Lowest
-45°C
1993-12-27
Humidity
Highest
9.1 g/m³
2020-12-01
Lowest
0.3 g/m³
1993-12-27
Wind
Highest
45 km/h
2000-12-18
Lowest
5 km/h
1985-12-11
Gust
Highest
97 km/h
2022-12-23
Lowest
8 km/h
2024-12-26
Precip
Wettest
170 mm
1983
Driest
36 mm
2002
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