Weather in Markham in August
In an average August, Markham sees a daily high around 25°C and a low around 15°C, based on 1980–2026 of local climate records.
| Average high | 25°C |
|---|---|
| Typical high range | 21°C to 29°C |
| Average low | 15°C |
| Typical low range | 11°C to 20°C |
| Average daily precipitation | 3 mm |
August records
The most extreme August on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total August accumulation.
High
Highest
36°C
2006-08-01
Lowest
14°C
1982-08-28
Low
Highest
26°C
2006-08-01
Lowest
4°C
1982-08-29
Feels-like
Highest
54°C
2006-08-01
Lowest
0°C
1986-08-29
Humidity
Highest
22.2 g/m³
2006-08-01
Lowest
6.1 g/m³
1982-08-28
Wind
Highest
33 km/h
1992-08-30
Lowest
5 km/h
2003-08-07
Gust
Highest
88 km/h
1986-08-27
Lowest
14 km/h
2013-08-29
Precip
Wettest
158 mm
1992
Driest
23 mm
2006
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