Calgary weather in December 2021

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-3
-3°C max day temperature
3
3 hours of sunshine per day
7
7 days with some rainfall
-14
-14°C min night temperature
8
8 hours of daylight per day
0
No heat & humidity
16
16 mm of monthly rainfall
0
No UV (Maximum) Index UV index

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The December weather guide for Calgary, Alberta shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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How cold is it in Calgary in December?

Daytime temperatures usually reach -3°C in Calgary in December, falling to -14°C at night.

How sunny is it in Calgary in December?

There are normally 3 hours of bright sunshine each day in Calgary in December - that's 40% of daylight hours.

Does it rain in Calgary in December?

There are usually 7 days with some rain in Calgary in December and the average monthly rainfall is 16mm. Rain may fall as snow in this month.

Metric (°C / mm) | Imperial (°F / inches)