Average temperatures, rainfall and packing tips for Toronto, Canada in December
December in Toronto is typically cold, with average daytime highs around 2°C and nights near -3°C. It is one of the cooler months of Toronto's year.
December is one of the wetter months in Toronto, with around 85 mm of rain - plan around showers.
If your dates are flexible, the most comfortable months in Toronto are usually May, June, July, August and September.
← Toronto weather tomorrow (live)
In December, Toronto averages a daytime high of about 2°C and a night-time low of around -3°C, based on recent historical data.
December is one of the wetter months in Toronto, with around 85 mm of rain - plan around showers.
December is cold in Toronto. City sightseeing works fine if you dress for it, but pack properly and expect short days. If your dates are flexible, the most comfortable months in Toronto are usually May, June, July, August and September.