Weather in Montréal in December
December in Montréal is cold with average temperatures around -6.9°C (19.6°F). Moderate rainfall of 98mm spread over 15 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
-2.6°C
27.3°F
Low
-11.2°C
11.8°F
Precipitation
98 mm
3.9 inches
~15 rainy days
Conditions
Humidity
91%
Comparison to Adjacent Months
December is 8.5°C cooler than November.
December is 4.8°C warmer than January, 26mm wetter than January.