Thermograph

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

Weather in Calgary, Alberta, Canada in December

In an average December, Calgary sees a daily high around -3°C and a low around -11°C, based on 1981–2026 of local climate records.

Average high-3°C
Typical high range-11°C to 3°C
Average low-11°C
Typical low range-21°C to -4°C
Average daily precipitation0 mm

December records

The most extreme December on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total December accumulation.

High

Highest 10°C 2002-12-01
Lowest -31°C 1992-12-29

Low

Highest 1°C 2021-12-01
Lowest -36°C 1992-12-29

Feels-like

Highest -4°C 2014-12-11
Lowest -52°C 1990-12-29

Humidity

Highest 5.6 g/m³ 2023-12-05
Lowest 0.3 g/m³ 1990-12-28

Wind

Highest 42 km/h 1989-12-03
Lowest 6 km/h 1989-12-18

Precip

Wettest 49 mm 2017
Driest 2 mm 1986

See Calgary's live weather grade →

Visiting Calgary in December? See how its comfort stacks up against where you live.

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