Whitehorse Weather in December
December in Whitehorse averages -11°C (12°F) during the day and -18°C (0°F) at night. Around 39 mm (1.5 in) of snowfall is typical for this time of year.
Rainfall in Whitehorse in December
Analyzing past climate data, one can expect approximately 11 days of snow, averaging 39 mm (1.5 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Whitehorse in December
In December, expect very low temperatures in Whitehorse, with highs of -11°C (12°F) and lows of -18°C (0°F) at night. Winter occurs in December. Time outdoors is usually more comfortable with proper winter clothing and protection from wind. Nights drop below freezing to -18°C (0°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. As one of the coldest months, it's important to layer up to stay warm. Don't let the chill catch you off-guard.
Sunshine in Whitehorse in December
The area experiences limited sunny days, amounting to roughly 30 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.December in Whitehorse 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 Whitehorse's climate page.
Whitehorse Temperature in December
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Whitehorse typically drop from around -9°C (16°F) at the start of December to approximately -12°C (10°F) by the end. Nights are very cold, with lows typically ranging from -19°C (-2°F) to -14°C (7°F).
Average temperatures in December
Historical weather for Whitehorse in December
Browse day-by-day weather records for Whitehorse spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Whitehorse historical weather extremes in December
Based on weather observations in Whitehorse between 2006 and 2025, these are the recorded extremes during December.
- The warmest day in December was on December 7, 2017, with a maximum of 7°C (45°F).
Best Places in Canada in December
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Whitehorse in December
We recommend you pack up your warm winter gear for Whitehorse in December. If you have insulated boots, thermal layers, and a heavy winter coat that can handle snow and freezing temperatures it's smart to bring them. Don't forget gloves, a warm hat, and a scarf. Some rain is possible, so pack something to handle light showers. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Whitehorse in December
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 Whitehorse's climate page.
Temperature Rainfall Sunshine Humidity
See the full Whitehorse climate overview or explore weather in Canada.