December · Canada
Best time to visit Calgary in December Weather, crowds & prices
Weather in Calgary in December
Average temperature -8°C, 24 mm of rain, about 15 days with 6+ hours of sunshine and 74% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
5.1/10
Ranked #12 of 12 months
- Avg temp
- -8°C
- Rainfall
- 24 mm
- Humidity
- 74%
- Days with 6h+ sun
- 15
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Calgary scores 5.1/10 for sightseeing and cultural travel - ranked #12 of 12. Expect around -8°C, 24 mm of rain, and roughly 15 days with 6+ hours of sunshine this month.
A compact downtown, Bow River paths, and quick access to the Rockies define Calgary.
December in Calgary: mixed conditions, plan around the weather
December sits at -8°C (17°F), firmly in deep-winter territory. Plan compact outdoor blocks with warm reset points between them rather than full days outside.
Only 24 mm of water-equivalent precipitation is expected (snow at altitude), leaving about 15 days with 6+ hours of sunshine and 8 hours of daylight.
That is 5.1/10 on the same scale — 12th of 12 months, versus 9.8/10 for the best month here.
Pack insulated layers, a windproof shell, gloves and boots with grip.
Expect low-season pricing, and crowds are light for this destination.
If your dates are flexible, September is materially better in Calgary — 4.7 points higher on the same scale.
Frequently asked
- What is the weather like in Calgary in December?
- In December, Calgary averages -8°C, 24 mm of rain, and about 15 days with 6+ hours of sunshine. Its climate-comfort score is 5.1/10.
- Is December a good time to visit Calgary?
- December earns a 5.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Calgary in December?
- Expect about 24 mm of rain in December. Average humidity is 74% and there are about 15 days with 6+ hours of sunshine.
Curated in Calgary
Tickets & experiences
Things to do in Calgary
Calgary, Canada. Live activities and tours from GetYourGuide, matched to this destination.