Weather in Calgary in December
December in Calgary brings average temperatures around -6°C and only 17 mm of rain.

- Average temp
- -6°C
-12–0°C
- Rainfall
- 17 mm
Not much rain
- Sunshine
- —
What to expect
Daytime
Days are cool.
Rain
Rain is usually light.
Evening
Evenings are cooler. A layer helps after sunset.
What to pack
A layer for cooler evenings
Where to stay in Calgary
Dates are a starting point for December.

All hotels in Calgary
Travel guides for Calgary
What to read before you book.

All travel guides in Calgary
Average weather in Calgary
TemperatureRainfall
Source: MeteostatPeriod: 1991-2020Checked: 2 Sept 2026353 places covered
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FAQs about Calgary
Climate averages for Calgary, 1991–2020.
The best time to visit Calgary is between May and October, the most comfortable stretch of the year on these averages.
July is the hottest month, with an average around 18°C.
June is the wettest month, with about 106 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.
