Toronto Weather in December
December in Toronto typically sees daytime highs of 4°C (39°F) and nighttime lows of -3°C (27°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the winter season.
Rainfall in Toronto in December
Expect around 13 days of snow/rain based on historical data, with 83 mm (3.3 in) average. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Toronto in December
In December, Toronto gets low temperatures, with highs of 4°C (39°F). Nights cool to around -3°C (27°F). This month falls in the winter season. Expect a distinctly cold feel throughout the day, not just overnight. Nights are well below freezing at -3°C (27°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. With the coldest weather of the year, this month demands extra warmth. Be sure to layer up to stay comfortable.
Sunshine in Toronto in December
The area sees fewer sunny days, with a projection of about 78 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Toronto. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Toronto's climate page.
Toronto Temperature in December
Min Temperature
-3°C (27°F)
Max Temperature
4°C (39°F)
Chance of Rain
43%
Precipitation
83 mm (3.3 in)
Rainy days
13 days
Humidity
82%
Sunshine
78 hours
Percentage Sunshine
28%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Toronto typically drop from around 4°C (39°F) at the start of December to approximately 1°C (34°F) by the end. Nights are very cold, with lows typically ranging from -6°C (21°F) to -1°C (30°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Toronto in December
Browse day-by-day weather records for Toronto spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Toronto historical weather extremes in December
Our historical data for Toronto spans 1976 to 2025, revealing these weather extremes.
- The hottest December day on record in Toronto reached 17°C (63°F) (December 7, 1998).
- The heaviest December precipitation occurred on December 31, 2022, when 45 mm (1.8 in) of precipitation fell.
Best Places in Canada in December
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in December →
perfect weather
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tolerable
unpleasant
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What to Wear in Toronto in December
Dress warmly and in layers for your trip to Toronto in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Toronto in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Toronto's climate page.
Temperature Rainfall Sunshine Humidity
See the full Toronto climate overview or explore weather in Canada.
