Thornhill weather in December (Ontario, Canada)

What is the weather forecast for Thornhill in December? Check out this detailed guide to the month’s weather conditions.

Temperatures

December in Thornhill generally includes low temperatures and moderate snow/rainfall. The winter season is characteristic of December. Daytime temperatures hover around 3°C, while nights can cool down to about -4°C. The month is chilly, so ensure you're equipped and dress warmly. Preparation becomes key in these temperatures.

Precipitation

Thornhill in December usually receives moderate snow/rainfall, averaging around 72 mm for the month. Historically, approximately 13 days this month are expected to have snow/rain.

Average sunshine

This month is characterized by fewer sunny days, with about 78 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Thornhill. June, July, August and September typically offer the most agreeable circumstances. On the other hand, January, February, March, November and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Thornhill climate page with graphs.

 

Thornhill, monthly averages in December

Min Temperature -4°C  

Max Temperature 3°C  

Chance of Rain 44%  

Precipitation 72 mm  

Rainy days 13 days  

Humidity 82% *  

Sunshine 78 hours *  

Percentage Sunshine 28% *  

Data from: Toronto, Canada (16 KM, 10 Miles).

Where to go in Canada in December

Find out more about the weather in Canada and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

Map not visible? Whoops sorry! Please refresh the page.

Legend perfect weather pleasant tolerable unpleasant poor

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

So, what should you wear in this month?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.

What To Do

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

Swimming

4/10

Cycling

3/10

Walking

3/10

Camping

1/10

Outdoor sports

3/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Thornhill.

Our site offers climate and forecast data for every country in the world. Are you going to Canada? On this website you can find historical weather averages for many cities in Canada. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.