Weather in Markham in December
In an average December, Markham sees a daily high around 2°C and a low around -2°C, based on 1980–2026 of local climate records.
| Average high | 2°C |
|---|---|
| Typical high range | -3°C to 7°C |
| Average low | -2°C |
| Typical low range | -9°C to 3°C |
| Average daily precipitation | 3 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
15°C
1998-12-07
Lowest
-14°C
1989-12-22
Low
Highest
10°C
1982-12-03
Lowest
-24°C
1980-12-25
Feels-like
Highest
10°C
1982-12-03
Lowest
-40°C
1980-12-25
Humidity
Highest
10.0 g/m³
1982-12-03
Lowest
1.1 g/m³
1980-12-25
Wind
Highest
61 km/h
1980-12-03
Lowest
8 km/h
2014-12-21
Gust
Highest
102 km/h
1980-12-03
Lowest
14 km/h
2014-12-21
Precip
Wettest
185 mm
1990
Driest
40 mm
1997
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