Weather in Markham in December
In an average December, Markham sees a daily high around 0°C and a low around -7°C, based on 1980–2026 of local climate records.
| Average high | 0°C |
|---|---|
| Typical high range | -6°C to 7°C |
| Average low | -7°C |
| Typical low range | -16°C to 1°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
18°C
1982-12-03
Lowest
-18°C
1983-12-25
Low
Highest
12°C
1982-12-03
Lowest
-34°C
1980-12-25
Feels-like
Highest
12°C
1982-12-03
Lowest
-50°C
1980-12-25
Humidity
Highest
11.6 g/m³
1982-12-03
Lowest
0.5 g/m³
1980-12-25
Wind
Highest
40 km/h
2008-12-28
Lowest
5 km/h
2014-12-21
Gust
Highest
87 km/h
2021-12-11
Lowest
12 km/h
2014-12-21
Precip
Wettest
115 mm
2008
Driest
32 mm
2002
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