Weather in Markham in June
In an average June, Markham sees a daily high around 19°C and a low around 14°C, based on 1980–2026 of local climate records.
| Average high | 19°C |
|---|---|
| Typical high range | 16°C to 23°C |
| Average low | 14°C |
| Typical low range | 11°C to 17°C |
| Average daily precipitation | 3 mm |
June records
The most extreme June on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total June accumulation.
High
Highest
31°C
2026-06-30
Lowest
10°C
1992-06-21
Low
Highest
23°C
2012-06-29
Lowest
6°C
1980-06-10
Feels-like
Highest
42°C
2026-06-30
Lowest
1°C
1980-06-09
Humidity
Highest
18.5 g/m³
2026-06-11
Lowest
5.3 g/m³
1988-06-09
Wind
Highest
48 km/h
1980-06-20
Lowest
7 km/h
1992-06-07
Gust
Highest
77 km/h
1980-06-20
Lowest
13 km/h
1983-06-14
Precip
Wettest
160 mm
1996
Driest
29 mm
2007
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