Thornhill Weather in January
January in Thornhill averages 0°C (32°F) during the day and -9°C (16°F) at night. Quite a bit of snowfall is typical this month, with around 73 mm (2.9 in) on average. An umbrella is a good idea.
Rainfall in Thornhill in January
Historically, the month has about 12 days of snow, averaging 73 mm (2.9 in) in total. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Thornhill in January
Expect highs of 0°C (32°F) in Thornhill in January, with nights dropping to around -9°C (16°F). This month falls in the winter season. Expect a distinctly cold feel throughout the day, not just overnight. At -9°C (16°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. As the coldest month of the year, it's important to pack plenty of warm clothes and winter gear.
Sunshine in Thornhill in January
With limited sunshine this month, there are about 85 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.January 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.
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 Thornhill's climate page.
Thornhill Temperature in January
Min Temperature
-9°C (16°F)
Max Temperature
0°C (32°F)
Chance of Rain
39%
Precipitation
73 mm (2.9 in)
Rainy days
12 days
Humidity
80% *
Sunshine
85 hours *
Percentage Sunshine
30% *
Best Places in Canada in January
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Thornhill in January
It's wise to bundle up for freezing conditions in Thornhill in January. If you have a winter jacket with good insulation, waterproof winter boots, thermal layers, and warm accessories it's smart to pack them. Hand and foot warmers can be lifesavers, especially during the night. Wet weather is likely, so pack waterproof gear for multiple rainy days. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Thornhill in January
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 Thornhill's climate page.
Temperature Rainfall Sunshine Humidity
See the full Thornhill climate overview or explore weather in Canada.
