Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Weather in Calgary in December

In an average December, Calgary sees a daily high around -2°C and a low around -10°C, based on 1980–2026 of local climate records.

Average high-2°C
Typical high range-13°C to 6°C
Average low-10°C
Typical low range-22°C to -1°C
Average daily precipitation0 mm

December records

The most extreme December on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total December accumulation.

High

Highest 14°C 2017-12-10
Lowest -32°C 1992-12-29

Low

Highest 6°C 1980-12-15
Lowest -38°C 1996-12-29

Feels-like

Highest 2°C 1980-12-15
Lowest -51°C 1996-12-29

Humidity

Highest 5.4 g/m³ 1980-12-16
Lowest 0.2 g/m³ 1992-12-29

Wind

Highest 45 km/h 1980-12-27
Lowest 6 km/h 2016-12-08

Gust

Highest 93 km/h 1980-12-27
Lowest 11 km/h 2020-12-27

Precip

Wettest 44 mm 2008
Driest 2 mm 2003

See Calgary's live weather grade →

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