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Toronto Weather in December

December in Toronto averages 25°C (77°F) during the day and 18°C (64°F) at night. Quite a bit of rainfall is typical this month, with around 80 mm (3.1 in) on average. An umbrella is a good idea.

Rainfall in Toronto in December

Climate statistics over the past 30 years suggest around 10 days of rain, with 80 mm (3.1 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Toronto in December

The excellent temperature in Toronto in December makes it a solid month to visit, with 25°C (77°F) during the day and 18°C (64°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 18°C (64°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

If you're a fan of comfortable temperatures and drier conditions, December is a great time to visit.

Toronto Temperature in December

Min Temperature
18°C (64°F)
Max Temperature
25°C (77°F)
Chance of Rain
34%
Precipitation
80 mm (3.1 in)
Rainy days
10 days
Humidity
59% *
* Data from: Maitland, Australia (30 KM, 18 Miles).

Toronto Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Toronto - and find the best time to visit.

Best Places in Australia in December

Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in December →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Toronto in December

For Toronto in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.

What To Do in Toronto in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    9/10
  • Walking
    9/10
  • Camping
    8/10
  • Outdoor sports
    9/10

Toronto 3-Day Forecast

More climate data for Toronto

Popular in December

Where to go in December - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.