Thornhill Weather in December

Thinking of visiting Thornhill in December? Expect low temperatures reaching 3°C (37°F) during the day, dropping to -4°C (25°F) at night, and note that quite a bit of snow/rainfall is likely.

Rainfall in Thornhill in December

This month experiences about 13 days of snow/rain according to historical data, averaging 72 mm (2.8 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Thornhill in December

In December, expect low temperatures in Thornhill, with highs of 3°C (37°F) and lows of -4°C (25°F) at night. The month of December belongs to the winter season. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. Nights drop below freezing to -4°C (25°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. This month is known for its biting cold, so make sure to dress warmly. Proper preparation can help you stay cozy.

Sunshine in Thornhill 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.

December in Thornhill can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.