Calgary Weather in December

Canada · December climate averages and travel tips

Avg high-2°C (28°F)
Avg low-10°C (13°F)
Rainfall24 mm (0.9 in)
RatingPoor 2/10

Calgary in December sees daytime temperatures around -2°C (28°F), dropping to about -10°C (13°F) at night. December is winter in Canada. The month is fairly dry, with about 24 mm (0.9 in) of rain spread over 6 days, one of the driest months of the year. You get roughly 7.7 hours of daylight and frequently cloudy skies.

Is December a good time to visit Calgary?

December is not the best time to visit Calgary (2/10) mainly because of the cold. The weather is much better in July to September.

Visiting Calgary in December

Cold days, short light

December feels properly wintry in Calgary. Daytime highs average -2°C, while nights fall to -10°C. There's little daylight, and cloudy skies are common, so outdoor sightseeing can feel cold and brief. Rain is recorded on six days, but winter conditions can also mean snow and icy paths.

Plan indoor stops around the weather. The Glenbow Museum is closed for renovations, so check its status before making it part of your day. The Calgary Tower and the shops along Stephen Avenue offer warm breaks downtown. Save long walks along the Bow River for a clear, milder spell.

Holiday plans and crowds

Zoolights at the Wilder Institute/Calgary Zoo is a seasonal favourite, with illuminated displays after dark. Christmas brings family events and festive decorations, while New Year's Eve adds activity around the city centre. Events can draw local crowds, especially in the evenings.

Families may enjoy Zoolights, but the cold can make a long outdoor visit tiring for younger children. Calgary is quieter overall than during the July Stampede, and December is outside the main summer travel season. Prices can be easier on the wallet than in peak summer, though holiday dates may be busier and cost more.

Getting around in winter

For an easy evening, take the CTrain to the zoo for Zoolights rather than walking a long stretch in the cold. Downtown's free-fare zone on the CTrain covers the central stretch, which can help you hop between Stephen Avenue and nearby stops. Check current service details before you set out.

A Chinook can bring a sudden warm spell to Calgary, but it's not something to count on. Keep outdoor plans flexible: if the paths are icy or the wind bites, swap a river walk for the Calgary Tower's indoor views.

December weather at a glance

Average high-2°C (28°F)
Average low-10°C (13°F)
Daily mean-6°C (20°F)
Rainfall24 mm (0.9 in)
Rainy days (1 mm+)6
Humidity83%
Cloud cover69%
Daylight7.7 hours
Est. sunshine2.6 hours/day
Wind5.7 km/h
vs November5°C cooler than November, with similar rainfall.

What to pack for Calgary in December

Calgary weather in other months

Jan-1°C / -10°C16 mmPoorFeb0°C / -10°C23 mmPoorMar5°C / -6°C27 mmFairApr10°C / -2°C45 mmFairMay17°C / 4°C79 mmGoodJun20°C / 8°C118 mmGoodJul25°C / 12°C59 mmExcellentAug24°C / 11°C62 mmExcellentSep20°C / 7°C49 mmExcellentOct12°C / 1°C31 mmGoodNov3°C / -5°C26 mmPoorDec-2°C / -10°C24 mmPoor

← NovemberBest time to visit CalgaryJanuary →

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