Dease Lake Weather in December
December in Dease Lake brings very low temperatures, with highs of -10°C (14°F) and nights dropping to -17°C (1°F). Expect some snowfall, with around 45 mm (1.8 in) typical for the month.
Rainfall in Dease Lake in December
Typically, about 13 days will experience snowfall, with an average of 45 mm (1.8 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Dease Lake in December
If you're visiting Dease Lake in December, expect highs of -10°C (14°F) and overnight lows around -17°C (1°F). Experience the winter season in December. It stays very cold throughout much of the day, so warm winter clothing is essential. With lows of -17°C (1°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. Prepare for low temperatures this month by wearing plenty of layers. It's essential to stay warm in such cold conditions.
Sunshine in Dease Lake in December
The area experiences limited sunny days, amounting to roughly 37 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.
Wind Speed in Dease Lake in December
Average wind conditions reach 1 m/s (2 knots) in December. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.December in Dease Lake has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, 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 Dease Lake's climate page.
Dease Lake Temperature in December
Min Temperature
-17°C (1°F)
Max Temperature
-10°C (14°F)
Chance of Rain
43%
Precipitation
45 mm (1.8 in)
Rainy days
13 days
Windspeed
1 m/s (2 knots)
Sunshine
37 hours
Percentage Sunshine
19%
Daily Historical Temperatures
45-year average (1976-2025)
Based on our historical records, temperatures in Dease Lake typically drop from around -9°C (16°F) at the start of December to approximately -14°C (7°F) by the end. Nights are very cold, with lows typically ranging from -21°C (-6°F) to -16°C (3°F).
Average temperatures in December
Historical weather for Dease Lake in December
Browse day-by-day weather records for Dease Lake spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Dease Lake historical weather extremes in December
Based on weather observations in Dease Lake between 2000 and 2025, these are the recorded extremes during December.
- Dease Lake recorded its highest December temperature of 8°C (46°F) on December 2, 2020.
- Peak precipitation in December occurred on December 11, 2013, when 22 mm (0.9 in) of precipitation was measured.
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
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tolerable
unpleasant
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What to Wear in Dease Lake in December
We recommend you pack up your warm winter gear for Dease Lake 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. Rain is likely on several days, so bring a good rain jacket. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Dease Lake 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 Dease Lake's climate page.
Temperature Rainfall Sunshine Wind Speed
See the full Dease Lake climate overview or explore weather in Canada.
