Weather in Markham in June
In an average June, Markham sees a daily high around 24°C and a low around 13°C, based on 1980–2026 of local climate records.
| Average high | 24°C |
|---|---|
| Typical high range | 18°C to 30°C |
| Average low | 13°C |
| Typical low range | 8°C to 18°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
36°C
1988-06-14
Lowest
9°C
1992-06-21
Low
Highest
24°C
2025-06-24
Lowest
1°C
1980-06-12
Feels-like
Highest
50°C
2025-06-23
Lowest
-3°C
1980-06-09
Humidity
Highest
19.8 g/m³
1981-06-15
Lowest
4.5 g/m³
1988-06-09
Wind
Highest
37 km/h
1980-06-20
Lowest
5 km/h
2009-06-23
Gust
Highest
80 km/h
1980-06-20
Lowest
17 km/h
2014-06-21
Precip
Wettest
177 mm
2010
Driest
29 mm
1991
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