Weather in Toronto in December
December in Toronto is cold with average temperatures around 0.4°C (32.7°F). Moderate rainfall of 63mm 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
2.5°C
36.5°F
Low
-1.6°C
29.1°F
Precipitation
63 mm
2.5 inches
~15 rainy days
Conditions
Humidity
84%
Comparison to Adjacent Months
December is 5.0°C cooler than November.
December is 3.1°C warmer than January.