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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.

Select a Month

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

Min TemperatureMin Temperature 1°C (34°F)  
Max TemperatureMax Temperature 6°C (43°F)  
Water TemperatureWater Temperature 8°C (46°F)  
Chance of RainChance of Rain 74%  
PrecipitationPrecipitation 344 mm (14 in)  
Rainy daysRainy days 22 days  
HumidityHumidity 87%  
WindspeedWindspeed 4 m/s (8 knots)  
SunshineSunshine 34 hours  
Percentage SunshinePercentage Sunshine  

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 →

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

Swimming
4/10
Cycling
3/10
Walking
3/10
Camping
3/10
Outdoor sports
3/10

Select a Month

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.

More climate data for Prince Rupert