Thermograph

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

Weather in Richmond Hill in December

In an average December, Richmond Hill sees a daily high around 2°C and a low around -5°C, based on 1980–2026 of local climate records.

Average high2°C
Typical high range-5°C to 7°C
Average low-5°C
Typical low range-13°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 19°C 1982-12-03
Lowest -14°C 1989-12-22

Low

Highest 11°C 1982-12-03
Lowest -30°C 1980-12-25

Feels-like

Highest 11°C 1982-12-03
Lowest -46°C 1980-12-25

Humidity

Highest 11.1 g/m³ 1982-12-03
Lowest 0.6 g/m³ 1980-12-25

Wind

Highest 48 km/h 1980-12-03
Lowest 6 km/h 2014-12-21

Gust

Highest 96 km/h 1980-12-03
Lowest 13 km/h 1992-12-30

Precip

Wettest 127 mm 1990
Driest 34 mm 1997

See Richmond Hill's live weather grade →

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