Thermograph

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

Weather in Toronto in December

In an average December, Toronto sees a daily high around 2°C and a low around -4°C, based on 1980–2026 of local climate records.

Average high2°C
Typical high range-4°C to 7°C
Average low-4°C
Typical low range-11°C to 2°C
Average daily precipitation3 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 16°C 1982-12-03
Lowest -16°C 1989-12-22

Low

Highest 11°C 1982-12-03
Lowest -25°C 1980-12-25

Feels-like

Highest 10°C 1982-12-03
Lowest -30°C 1980-12-25

Humidity

Highest 10.6 g/m³ 1982-12-03
Lowest 0.8 g/m³ 1980-12-25

Wind

Highest 48 km/h 1980-12-03
Lowest 7 km/h 2014-12-21

Gust

Highest 97 km/h 1980-12-03
Lowest 13 km/h 2024-12-25

Precip

Wettest 122 mm 1990
Driest 28 mm 1997

See Toronto's live weather grade →

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