The weather in December in Toronto

It's cold in December in Toronto with an average temperature of 4°C. Temperatures this month range from a low of 1°C to a high of 7°C. At night, you can expect temperatures between -4°C and 1°C.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Toronto, Canada. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 16°C in 2021, Toronto reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -14°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of -21°C to a highest value of 10°C.

Precipitation and snowfall

In December, there is an average of 74 mm of precipitation, spread over 9 days. Of the total precipitation, about 19 cm falls as snow in December. The wind speed is around 5 Bft, mostly coming from the Southwest.

Daily weather in December for Toronto

Click on any day in December to get detailed info about the usual weather on that day in Toronto. Check out the historical temperatures and precipitation over the past 10 years on this day.

December weather comparison

  Toronto New York
Average temperature 4°C 9°C
Max. temperature 7°C 12°C
Min. temperature -4°C -5°C
Total precipitation 74 mm 133 mm
Rainy days 9 days 17 days
Total snowfall 19 cm 9,7 cm
Snowy days 10 days 3 days

Start of December

The month of December starts in Toronto with cold temps, averaging around 6°C during the day and nights around 1°C.

Mid December

By mid-December, daytime temps drop to around 4°C, with nights around -1°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of December

By the end of December, the average daytime temperature in Toronto is around 4°C, while nighttime temps are about -1°C. A shower might pop up, but overall, the weather will be dry and sunny.

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UV index

The UV index is a maximum of 2 this month. That's a low value on the intensity scale of 1 to 11. The risk of sunburn is minimal at this time.

Check out the climate of Toronto for all months and discover the best travel time

Curious about the weather in other parts of Canada? Check out the climate and weather for spots like Vancouver, Niagara Falls, Lake Louise, or explore other destinations in Canada.

Temperature charts

These charts show the average temperatures in December in Toronto, Canada. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in December in Toronto

Temperature in December in Toronto over the years

Precipitation charts

These charts show the average amount of precipitation in December in Toronto, Canada. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in December in Toronto

Total precipitation in December in Toronto over the years

Daily Snowfall in December in Toronto

Snowfall in December in Toronto per year

Daily UV index in December in Toronto

This chart shows the average daily UV index in December in Toronto, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in December in Toronto

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Average weather in Toronto by month

Click on a month below to see detailed weather info for Toronto. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.