Prince Rupert Weather in December
With daytime temperatures of 6°C (43°F) and nighttime lows of 1°C (34°F), December in Prince Rupert brings low temperatures during the day. Do keep in mind that December is part of the rainy season, with frequent and often heavy rainfall.
Rainfall in Prince Rupert in December
As part of the rainy season, Prince Rupert sees around 22 days of rain in December, with an average of 344 mm (14 in). The rain this month falls heavily when it arrives, so waterproofs are worth keeping handy.
Temperature in Prince Rupert in December
Temperatures in Prince Rupert in December top out at 6°C (43°F) and drop to 1°C (34°F) overnight. The winter season is characteristic of December. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With lows around 1°C (34°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Prince Rupert in December
With limited sunshine this month, there are about 34 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.
Wind Speed in Prince Rupert in December
In December, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.
Average water temperature in December
At 8°C (46°F), the water is very cold. Most people find it too uncomfortable for anything beyond a brief wade.December in Prince Rupert 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 Prince Rupert's climate page.
Prince Rupert Temperature in December
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Prince Rupert typically stay consistent throughout December, with daily highs averaging around 6°C (43°F). Nights are very cold, with lows typically ranging from -2°C (28°F) to 2°C (36°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Prince Rupert in December
Browse day-by-day weather records for Prince Rupert spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Prince Rupert historical weather extremes in December
The extremes listed below come from historical weather data collected in Prince Rupert from 1976 through 2025.
- The hottest December day on record in Prince Rupert reached 15°C (59°F) (December 11, 2017).
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 →
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What to Wear in Prince Rupert in December
Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Expect water temperatures of around 8°C (46°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Prince Rupert 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 Prince Rupert's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Prince Rupert climate overview or explore weather in Canada.