Penticton Weather in December
Penticton in December averages 0°C (32°F) during the day and -6°C (21°F) at night. This is part of the winter season, and quite a bit of snowfall is expected this month.
Rainfall in Penticton in December
Based on our climate data of the past 30 years, about 13 days of snow are anticipated, with 80 mm (3.1 in) on average. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Penticton in December
Penticton in December gets highs of 0°C (32°F) during the day and drops to -6°C (21°F) at night. Experience the winter season in December. It stays very cold throughout much of the day, so warm winter clothing is essential. With lows of -6°C (21°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. With temperatures often at their lowest, it is the coldest month of the year. Ideal for indoor activities, be sure to pack warm clothing.
Sunshine in Penticton in December
The area sees fewer sunny days, with a projection of about 35 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Penticton. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Penticton's climate page.
Penticton Temperature in December
Min Temperature
-6°C (21°F)
Max Temperature
0°C (32°F)
Chance of Rain
42%
Precipitation
80 mm (3.1 in)
Rainy days
13 days
Humidity
75% *
Sunshine
35 hours *
Percentage Sunshine
14% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Penticton typically drop from around 3°C (37°F) at the start of December to approximately 0°C (32°F) by the end. Nights are very cold, with lows typically ranging from -5°C (23°F) to -2°C (28°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 Penticton in December
Browse day-by-day weather records for Penticton spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Penticton historical weather extremes in December
The extremes listed below come from historical weather data collected in Penticton from 1976 through 2025.
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
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What to Wear in Penticton in December
Winter clothing is essential for visiting Penticton in December. If you have a heavy coat, waterproof boots with good traction, and plenty of warm layers it's smart to bring them. Pack cloths like thermal underwear, wool socks, and insulated gloves. Rain gear is recommended, you can expect wet weather on multiple days. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Penticton 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 Penticton's climate page.
Temperature Rainfall Sunshine Humidity
See the full Penticton climate overview or explore weather in Canada.
